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Mazzara C, Bassi J, Silacci-Fregni C, Muoio F, Passini N, Corti D, Simonetti GD, Vanoni F, Kottanattu L, Piccoli L. Increased breadth and neutralization of antibodies against SARS-CoV-2 variants after infection and vaccination: A serosurveillance study in pediatric patients of Southern Switzerland. Eur J Pediatr 2024; 183:1425-1434. [PMID: 38175262 DOI: 10.1007/s00431-023-05400-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/14/2023] [Revised: 12/18/2023] [Accepted: 12/19/2023] [Indexed: 01/05/2024]
Abstract
Little information is available about the nature of the immune response in children after severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection or vaccination. The aim of this study is to define the seroprevalence and the features of the antibody response in children of Southern Switzerland during the different waves of Coronavirus Disease 2019 (COVID-19) pandemic. By analyzing 756 sera collected from children aged 0 to 16 years admitted to the Institute of Pediatrics of Southern Switzerland during the prepandemic period (before March 2020) and the first four pandemic waves (between March 2020 and June 2022), we investigated binding titers, cross-reactivity, and neutralizing properties of the serum antibodies against SARS-CoV-2 variants. Seroprevalence varied from 6% during the first wave to 14% and 17% during the second and third waves, respectively, peaking at 39% during the fourth wave. The 96 seropositive cases were mostly asymptomatic (42.7%) or showed mild (20.8%) to moderate (32.3%) symptoms. Moderate symptoms and close contact with COVID-19-positive individuals were associated with a higher infection risk (P < 0.001). The antibody response was mainly driven by IgG directed to the receptor-binding domain (RBD) of Wuhan-1 SARS-CoV-2 Spike (S). Children infected in the first three waves produced antibodies with up to 11-fold and 5.5-fold reduction in binding and neutralizing titers, respectively, against different SARS-CoV-2 variants, including Beta, Delta, and Omicron BA.1, BA.2, and BA.5. Such reductions were less pronounced in children infected during the fourth wave, who showed the highest frequency and titers of neutralizing antibodies against the same variants. Compared to infection, vaccination with a Wuhan-1-based messenger RNA (mRNA) vaccine induced higher and heterogenous levels of antibodies cross-reacting to the different SARS-CoV-2 variants analyzed. Conclusions: Despite the high burden of COVID-19 in Southern Switzerland, we observed an initial low seroprevalence of SARS-CoV-2 in children, which increased in the later waves. The antibody response was poor in the first three waves and improved in the fourth wave, when children produced higher levels of neutralizing antibodies after vaccination or infection with Delta and/or Omicron variants. What is Known: • Children were marginally affected by the initial SARS-CoV-2 variants. • The number of infected and hospitalized children increased after the appearance of the Omicron variants. What is New: • Seroprevalence of SARS-CoV-2 in children of Southern Switzerland increased overtime. • Children produced higher levels of neutralizing antibodies after vaccination or infection with Delta and/or Omicron variants in the fourth wave compared to children infected in the first three waves.
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Affiliation(s)
- Calogero Mazzara
- Institute of Pediatrics of Southern Switzerland, Ente Ospedaliero Cantonale, Bellinzona, Switzerland
| | - Jessica Bassi
- Humabs Biomed SA, a subsidiary of Vir Biotechnology, Bellinzona, Switzerland
| | | | - Francesco Muoio
- Humabs Biomed SA, a subsidiary of Vir Biotechnology, Bellinzona, Switzerland
| | - Nadia Passini
- Humabs Biomed SA, a subsidiary of Vir Biotechnology, Bellinzona, Switzerland
| | - Davide Corti
- Humabs Biomed SA, a subsidiary of Vir Biotechnology, Bellinzona, Switzerland
| | - Giacomo D Simonetti
- Institute of Pediatrics of Southern Switzerland, Ente Ospedaliero Cantonale, Bellinzona, Switzerland
- Faculty of Biomedical Sciences, Università della Svizzera italiana, Lugano, Switzerland
| | - Federica Vanoni
- Institute of Pediatrics of Southern Switzerland, Ente Ospedaliero Cantonale, Bellinzona, Switzerland
- Faculty of Biomedical Sciences, Università della Svizzera italiana, Lugano, Switzerland
| | - Lisa Kottanattu
- Institute of Pediatrics of Southern Switzerland, Ente Ospedaliero Cantonale, Bellinzona, Switzerland
- Faculty of Biomedical Sciences, Università della Svizzera italiana, Lugano, Switzerland
| | - Luca Piccoli
- Humabs Biomed SA, a subsidiary of Vir Biotechnology, Bellinzona, Switzerland.
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Leon-Rojas JE, Veloz T, Teran J, Perez M, Arias-Erazo F, Villacis L, Velez J, Recalde R, Jiménez P, Martin M, Chis Ster I, Cooper P, Romero N. The dynamics and determinants of specific systemic and mucosal antibody responses to SARS-CoV-2 in three adult cohorts in the Ecuadorian Andes: a study protocol. F1000Res 2024; 11:1392. [PMID: 38434000 PMCID: PMC10905138 DOI: 10.12688/f1000research.126577.2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 02/21/2024] [Indexed: 03/05/2024] Open
Abstract
Introduction There are limited longitudinal data on the systemic and mucosal antibody responses to SARS-CoV-2 from Latin America, a region severely affected by COVID-19, and where vaccine strategies have been implemented during the evolving pandemic. Objective To evaluate determinants of seroprevalence and changes in levels of anti-SARS-CoV-2 antibodies longitudinally in adults with different levels of exposure to SARS-CoV-2 (defined a priori as low, medium, and high based on presumed occupational risk), in two Andean cities in Ecuador. Methods Longitudinal cohort study of 1,000 adults aged 18 years and older with questionnaire data and sample collection done at 0, 3, 6, and 12 months during the period 2020-2023. Observations collected included WHO-ISARIC questionnaire and peripheral blood and saliva samples for measurement of IgG and IgA antibodies, respectively. Planned analyses are tailored to the longitudinal nature of the outcomes defined by participants' antibody levels and aim at estimating their average trends with time since infection in each of the occupational groups, adjusted for demographics and calendar-time levels of SARS-CoV-2 infection in the general population. The latter reflect the impact of the national control measures such as vaccinations and movement restrictions. Importance Understanding the duration and the dynamics of waning immunity to SARS-CoV-2, in the context of exposures to emerging virus variants and immunization, will inform the implementation of targeted public health strategies in the Latin American region. Ethics and Dissemination This study will observe the bioethical principles of the Declaration of Helsinki. Informed written consent will be obtained. Samples from participants will be stored for up to three years after which they will be destroyed. The study protocol was approved by the Ecuadorian Ministry of Public Health Ethics Committee for COVID-19 Research. Antibody results will be provided to participants and participating institutions and to the national health authorities.
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Affiliation(s)
- Jose E. Leon-Rojas
- Departamento de Pediatría, Obstetricia y Ginecología y Medicina Preventiva, Universitat Autonoma de Barcelona (UAB), Barcelona, Spain
- Red Grups de Recerca d’Amèrica i Àfrica Llatines (GRAAL),, Quito, Ecuador
| | - Tatiana Veloz
- Medical School, Universidad Internacional del Ecuador, Quito, Ecuador
| | - Jair Teran
- Medical School, Universidad Internacional del Ecuador, Quito, Ecuador
| | - Monica Perez
- Medical School, Universidad Internacional del Ecuador, Quito, Ecuador
| | - Fernanda Arias-Erazo
- Medical School, Universidad Internacional del Ecuador, Quito, Ecuador
- Departamento de Ciencias de la Vida y de la Agricultura, Universidad de las Fuerzas Armadas ESPE, Sangolquí, Ecuador
| | - Lizet Villacis
- Medical School, Universidad Técnica de Ambato, Ambato, Ecuador
| | - Jorge Velez
- Hospital de Especialidades Eugenio Espejo, Quito, Ecuador
| | - Ricardo Recalde
- Red Grups de Recerca d’Amèrica i Àfrica Llatines (GRAAL),, Quito, Ecuador
- Medical School, Universidad Técnica de Ambato, Ambato, Ecuador
| | - Patricia Jiménez
- Departamento de Ciencias de la Vida y de la Agricultura, Universidad de las Fuerzas Armadas ESPE, Sangolquí, Ecuador
- Grupo de Investigación en Sanidad Animal y Humana (GISAH), Quito, Ecuador
| | - Miguel Martin
- Departamento de Pediatría, Obstetricia y Ginecología y Medicina Preventiva, Universitat Autonoma de Barcelona (UAB), Barcelona, Spain
- Red Grups de Recerca d’Amèrica i Àfrica Llatines (GRAAL),, Quito, Ecuador
- Medical School, Universidad Internacional del Ecuador, Quito, Ecuador
| | | | - Philip Cooper
- Medical School, Universidad Internacional del Ecuador, Quito, Ecuador
- St George's University of London, London, UK
| | - Natalia Romero
- Red Grups de Recerca d’Amèrica i Àfrica Llatines (GRAAL),, Quito, Ecuador
- Medical School, Universidad Internacional del Ecuador, Quito, Ecuador
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3
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Fung CYJ, Scott M, Lerner-Ellis J, Taher J. Applications of SARS-CoV-2 serological testing: impact of test performance, sample matrices, and patient characteristics. Crit Rev Clin Lab Sci 2024; 61:70-88. [PMID: 37800891 DOI: 10.1080/10408363.2023.2254390] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2023] [Accepted: 08/29/2023] [Indexed: 10/07/2023]
Abstract
Laboratory testing has been a key tool in managing the SARS-CoV-2 global pandemic. While rapid antigen and PCR testing has proven useful for diagnosing acute SARS-CoV-2 infections, additional testing methods are required to understand the long-term impact of SARS-CoV-2 infections on immune response. Serological testing, a well-documented laboratory practice, measures the presence of antibodies in a sample to uncover information about host immunity. Although proposed applications of serological testing for clinical use have previously been limited, current research into SARS-CoV-2 has shown growing utility for serological methods in these settings. To name a few, serological testing has been used to identify patients with past infections and long-term active disease and to monitor vaccine efficacy. Test utility and result interpretation, however, are often complicated by factors that include poor test sensitivity early in infection, lack of immune response in some individuals, overlying infection and vaccination responses, lack of standardization of antibody titers/levels between instruments, unknown titers that confer immune protection, and large between-individual biological variation following infection or vaccination. Thus, the three major components of this review will examine (1) factors that affect serological test utility: test performance, testing matrices, seroprevalence concerns and viral variants, (2) patient factors that affect serological response: timing of sampling, age, sex, body mass index, immunosuppression and vaccination, and (3) informative applications of serological testing: identifying past infection, immune surveillance to guide health practices, and examination of protective immunity. SARS-CoV-2 serological testing should be beneficial for clinical care if it is implemented appropriately. However, as with other laboratory developed tests, use of SARS-CoV-2 serology as a testing modality warrants careful consideration of testing limitations and evaluation of its clinical utility.
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Affiliation(s)
- Chun Yiu Jordan Fung
- Lunenfeld Tanenbaum Research Institute, Sinai Health, Toronto, Ontario, Canada
- Department of Pathology and Laboratory Medicine, Mount Sinai Hospital, Sinai Health, Toronto, Ontario, Canada
| | - Mackenzie Scott
- Lunenfeld Tanenbaum Research Institute, Sinai Health, Toronto, Ontario, Canada
- Department of Pathology and Laboratory Medicine, Mount Sinai Hospital, Sinai Health, Toronto, Ontario, Canada
- Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, Ontario, Canada
| | - Jordan Lerner-Ellis
- Lunenfeld Tanenbaum Research Institute, Sinai Health, Toronto, Ontario, Canada
- Department of Pathology and Laboratory Medicine, Mount Sinai Hospital, Sinai Health, Toronto, Ontario, Canada
- Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, Ontario, Canada
| | - Jennifer Taher
- Department of Pathology and Laboratory Medicine, Mount Sinai Hospital, Sinai Health, Toronto, Ontario, Canada
- Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, Ontario, Canada
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Stern D, Meyer TC, Treindl F, Mages HW, Krüger M, Skiba M, Krüger JP, Zobel CM, Schreiner M, Grossegesse M, Rinner T, Peine C, Stoliaroff-Pépin A, Harder T, Hofmann N, Michel J, Nitsche A, Stahlberg S, Kneuer A, Sandoni A, Kubisch U, Schlaud M, Mankertz A, Schwarz T, Corman VM, Müller MA, Drosten C, de la Rosa K, Schaade L, Dorner MB, Dorner BG. A bead-based multiplex assay covering all coronaviruses pathogenic for humans for sensitive and specific surveillance of SARS-CoV-2 humoral immunity. Sci Rep 2023; 13:21846. [PMID: 38071261 PMCID: PMC10710470 DOI: 10.1038/s41598-023-48581-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2023] [Accepted: 11/28/2023] [Indexed: 12/18/2023] Open
Abstract
Serological assays measuring antibodies against SARS-CoV-2 are key to describe the epidemiology, pathobiology or induction of immunity after infection or vaccination. Of those, multiplex assays targeting multiple antigens are especially helpful as closely related coronaviruses or other antigens can be analysed simultaneously from small sample volumes, hereby shedding light on patterns in the immune response that would otherwise remain undetected. We established a bead-based 17-plex assay detecting antibodies targeting antigens from all coronaviruses pathogenic for humans: SARS-CoV-2, SARS-CoV, MERS-CoV, HCoV strains 229E, OC43, HKU1, and NL63. The assay was validated against five commercial serological immunoassays, a commercial surrogate virus neutralisation test, and a virus neutralisation assay, all targeting SARS-CoV-2. It was found to be highly versatile as shown by antibody detection from both serum and dried blot spots and as shown in three case studies. First, we followed seroconversion for all four endemic HCoV strains and SARS-CoV-2 in an outbreak study in day-care centres for children. Second, we were able to link a more severe clinical course to a stronger IgG response with this 17-plex-assay, which was IgG1 and IgG3 dominated. Finally, our assay was able to discriminate recent from previous SARS-CoV-2 infections by calculating the IgG/IgM ratio on the N antigen targeting antibodies. In conclusion, due to the comprehensive method comparison, thorough validation, and the proven versatility, our multiplex assay is a valuable tool for studies on coronavirus serology.
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Affiliation(s)
- Daniel Stern
- Biological Toxins (ZBS 3), Centre for Biological Threats and Special Pathogens, Robert Koch Institute, 13353, Berlin, Germany.
| | - Tanja C Meyer
- Biological Toxins (ZBS 3), Centre for Biological Threats and Special Pathogens, Robert Koch Institute, 13353, Berlin, Germany
| | - Fridolin Treindl
- Biological Toxins (ZBS 3), Centre for Biological Threats and Special Pathogens, Robert Koch Institute, 13353, Berlin, Germany
| | - Hans Werner Mages
- Biological Toxins (ZBS 3), Centre for Biological Threats and Special Pathogens, Robert Koch Institute, 13353, Berlin, Germany
| | - Maren Krüger
- Biological Toxins (ZBS 3), Centre for Biological Threats and Special Pathogens, Robert Koch Institute, 13353, Berlin, Germany
| | - Martin Skiba
- Biological Toxins (ZBS 3), Centre for Biological Threats and Special Pathogens, Robert Koch Institute, 13353, Berlin, Germany
| | - Jan Philipp Krüger
- Department of Microbiology and Hospital Hygiene, Bundeswehr Hospital Berlin, Berlin, Germany
| | - Christian M Zobel
- Department of Internal Medicine, Bundeswehr Hospital Berlin, Berlin, Germany
| | | | - Marica Grossegesse
- Highly Pathogenic Viruses (ZBS 1), Centre for Biological Threats and Special Pathogens, Robert Koch Institute, 13353, Berlin, Germany
| | - Thomas Rinner
- Highly Pathogenic Viruses (ZBS 1), Centre for Biological Threats and Special Pathogens, Robert Koch Institute, 13353, Berlin, Germany
| | - Caroline Peine
- Immunization Unit (FG 33), Department for Infectious Disease Epidemiology, Robert Koch Institute, 13353, Berlin, Germany
| | - Anna Stoliaroff-Pépin
- Immunization Unit (FG 33), Department for Infectious Disease Epidemiology, Robert Koch Institute, 13353, Berlin, Germany
| | - Thomas Harder
- Immunization Unit (FG 33), Department for Infectious Disease Epidemiology, Robert Koch Institute, 13353, Berlin, Germany
| | - Natalie Hofmann
- Highly Pathogenic Viruses (ZBS 1), Centre for Biological Threats and Special Pathogens, Robert Koch Institute, 13353, Berlin, Germany
| | - Janine Michel
- Highly Pathogenic Viruses (ZBS 1), Centre for Biological Threats and Special Pathogens, Robert Koch Institute, 13353, Berlin, Germany
| | - Andreas Nitsche
- Highly Pathogenic Viruses (ZBS 1), Centre for Biological Threats and Special Pathogens, Robert Koch Institute, 13353, Berlin, Germany
| | - Silke Stahlberg
- Central Epidemiological Laboratory (FG 22), Department of Epidemiology and Health Monitoring, Robert Koch Institute, 12101, Berlin, Germany
| | - Antje Kneuer
- Central Epidemiological Laboratory (FG 22), Department of Epidemiology and Health Monitoring, Robert Koch Institute, 12101, Berlin, Germany
| | - Anna Sandoni
- Central Epidemiological Laboratory (FG 22), Department of Epidemiology and Health Monitoring, Robert Koch Institute, 12101, Berlin, Germany
| | - Ulrike Kubisch
- Central Epidemiological Laboratory (FG 22), Department of Epidemiology and Health Monitoring, Robert Koch Institute, 12101, Berlin, Germany
| | - Martin Schlaud
- Central Epidemiological Laboratory (FG 22), Department of Epidemiology and Health Monitoring, Robert Koch Institute, 12101, Berlin, Germany
| | - Annette Mankertz
- Measles, Mumps, Rubella, and Viruses Affecting Immunocompromised Patients (FG 12), Robert Koch Institute, 13353, Berlin, Germany
| | - Tatjana Schwarz
- Institute of Virology, Charité-Universitätsmedizin Berlin, 10117, Berlin, Germany
| | - Victor M Corman
- Institute of Virology, Charité-Universitätsmedizin Berlin, 10117, Berlin, Germany
- Corporate Member, Freie Universität Berlin, 10117, Berlin, Germany
- Corporate Member, Humboldt-Universität zu Berlin, 14195, Berlin, Germany
| | - Marcel A Müller
- Institute of Virology, Charité-Universitätsmedizin Berlin, 10117, Berlin, Germany
| | - Christian Drosten
- Institute of Virology, Charité-Universitätsmedizin Berlin, 10117, Berlin, Germany
| | - Kathrin de la Rosa
- Max-Delbrück-Center for Molecular Medicine in the Helmholtz Association (MDC), 13125, Berlin, Germany
- Berlin Institute of Health (BIH), Charité-Universitätsmedizin Berlin, 10117, Berlin, Germany
| | - Lars Schaade
- Centre for Biological Threats and Special Pathogens, Robert Koch Institute, 13353, Berlin, Germany
| | - Martin B Dorner
- Biological Toxins (ZBS 3), Centre for Biological Threats and Special Pathogens, Robert Koch Institute, 13353, Berlin, Germany
| | - Brigitte G Dorner
- Biological Toxins (ZBS 3), Centre for Biological Threats and Special Pathogens, Robert Koch Institute, 13353, Berlin, Germany.
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5
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Tong MZW, Sng JDJ, Carney M, Cooper L, Brown S, Lineburg KE, Chew KY, Collins N, Ignacio K, Airey M, Burr L, Joyce BA, Jayasinghe D, McMillan CLD, Muller DA, Adhikari A, Gallo LA, Dorey ES, Barrett HL, Gras S, Smith C, Good‐Jacobson K, Short KR. Elevated BMI reduces the humoral response to SARS-CoV-2 infection. Clin Transl Immunology 2023; 12:e1476. [PMID: 38050635 PMCID: PMC10693902 DOI: 10.1002/cti2.1476] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2023] [Revised: 11/05/2023] [Accepted: 11/09/2023] [Indexed: 12/06/2023] Open
Abstract
Objective Class III obesity (body mass index [BMI] ≥ 40 kg m-2) significantly impairs the immune response to SARS-CoV-2 vaccination. However, the effect of an elevated BMI (≥ 25 kg m-2) on humoral immunity to SARS-CoV-2 infection and COVID-19 vaccination remains unclear. Methods We collected blood samples from people who recovered from SARS-CoV-2 infection approximately 3 and 13 months of post-infection (noting that these individuals were not exposed to SARS-CoV-2 or vaccinated in the interim). We also collected blood samples from people approximately 5 months of post-second dose COVID-19 vaccination (the majority of whom did not have a prior SARS-CoV-2 infection). We measured their humoral responses to SARS-CoV-2, grouping individuals based on a BMI greater or less than 25 kg m-2. Results Here, we show that an increased BMI (≥ 25 kg m-2), when accounting for age and sex differences, is associated with reduced antibody responses after SARS-CoV-2 infection. At 3 months of post-infection, an elevated BMI was associated with reduced antibody titres. At 13 months of post-infection, an elevated BMI was associated with reduced antibody avidity and a reduced percentage of spike-positive B cells. In contrast, no significant association was noted between a BMI ≥ 25 kg m-2 and humoral immunity to SARS-CoV-2 at 5 months of post-secondary vaccination. Conclusions Taken together, these data showed that elevated BMI is associated with an impaired humoral immune response to SARS-CoV-2 infection. The impairment of infection-induced immunity in individuals with a BMI ≥ 25 kg m-2 suggests an added impetus for vaccination rather than relying on infection-induced immunity.
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Affiliation(s)
- Marcus ZW Tong
- School of Chemistry and Molecular BiosciencesThe University of QueenslandSt LuciaQLDAustralia
| | - Julian DJ Sng
- School of Chemistry and Molecular BiosciencesThe University of QueenslandSt LuciaQLDAustralia
| | - Meagan Carney
- School of Mathematics and PhysicsThe University of QueenslandSt LuciaQLDAustralia
| | - Lucy Cooper
- Department of Biochemistry and Molecular BiologyMonash UniversityClaytonVICAustralia
- Immunity Program, Biomedicine Discovery InstituteMonash UniversityClaytonVICAustralia
| | - Samuel Brown
- School of Chemistry and Molecular BiosciencesThe University of QueenslandSt LuciaQLDAustralia
| | - Katie E Lineburg
- QIMR Berghofer Centre for Immunotherapy and Vaccine Development and Translational and Human Immunology Laboratory, Infection and Inflammation ProgramQIMR Berghofer Medical Research InstituteHerstonQLDAustralia
| | - Keng Yih Chew
- School of Chemistry and Molecular BiosciencesThe University of QueenslandSt LuciaQLDAustralia
| | - Neve Collins
- School of Chemistry and Molecular BiosciencesThe University of QueenslandSt LuciaQLDAustralia
| | - Kirsten Ignacio
- School of Chemistry and Molecular BiosciencesThe University of QueenslandSt LuciaQLDAustralia
| | - Megan Airey
- School of Chemistry and Molecular BiosciencesThe University of QueenslandSt LuciaQLDAustralia
| | - Lucy Burr
- QIMR Berghofer Centre for Immunotherapy and Vaccine Development and Translational and Human Immunology Laboratory, Infection and Inflammation ProgramQIMR Berghofer Medical Research InstituteHerstonQLDAustralia
- Department of Respiratory MedicineMater HealthBrisbaneQLDAustralia
| | - Briony A Joyce
- School of Chemistry and Molecular BiosciencesThe University of QueenslandSt LuciaQLDAustralia
| | - Dhilshan Jayasinghe
- Department of Biochemistry and Molecular BiologyMonash UniversityClaytonVICAustralia
- Department of Biochemistry and ChemistryLa Trobe Institute for Molecular Science, La Trobe UniversityBundooraVICAustralia
| | - Christopher LD McMillan
- School of Chemistry and Molecular BiosciencesThe University of QueenslandSt LuciaQLDAustralia
- Australian Infectious Diseases Research CentreThe University of QueenslandSt LuciaQLDAustralia
| | - David A Muller
- School of Chemistry and Molecular BiosciencesThe University of QueenslandSt LuciaQLDAustralia
- Australian Infectious Diseases Research CentreThe University of QueenslandSt LuciaQLDAustralia
| | - Anurag Adhikari
- Department of Biochemistry and ChemistryLa Trobe Institute for Molecular Science, La Trobe UniversityBundooraVICAustralia
| | - Linda A Gallo
- School of HealthUniversity of the Sunshine CoastPetrieQLDAustralia
| | - Emily S Dorey
- Mater ResearchThe University of QueenslandSouth BrisbaneQLDAustralia
| | - Helen L Barrett
- Mater ResearchThe University of QueenslandSouth BrisbaneQLDAustralia
- University of New South Wales MedicineKensingtonNSWAustralia
- Obstetric MedicineRoyal Hospital for WomenRandwickNSWAustralia
| | - Stephanie Gras
- Department of Biochemistry and Molecular BiologyMonash UniversityClaytonVICAustralia
- Department of Biochemistry and ChemistryLa Trobe Institute for Molecular Science, La Trobe UniversityBundooraVICAustralia
| | - Corey Smith
- QIMR Berghofer Centre for Immunotherapy and Vaccine Development and Translational and Human Immunology Laboratory, Infection and Inflammation ProgramQIMR Berghofer Medical Research InstituteHerstonQLDAustralia
| | - Kim Good‐Jacobson
- Department of Biochemistry and Molecular BiologyMonash UniversityClaytonVICAustralia
- Immunity Program, Biomedicine Discovery InstituteMonash UniversityClaytonVICAustralia
| | - Kirsty R Short
- School of Chemistry and Molecular BiosciencesThe University of QueenslandSt LuciaQLDAustralia
- Australian Infectious Diseases Research CentreThe University of QueenslandSt LuciaQLDAustralia
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Wang M, Zhou B, Fan Q, Zhou X, Liao X, Lin J, Ma Z, Dong J, Wang H, Ge X, Ju B, Zhang Z. Omicron variants escape the persistent SARS-CoV-2-specific antibody response in 2-year COVID-19 convalescents regardless of vaccination. Emerg Microbes Infect 2023; 12:2151381. [PMID: 36444724 PMCID: PMC9809350 DOI: 10.1080/22221751.2022.2151381] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
With the ongoing COVID-19 pandemic and the emergence of various SARS-CoV-2 variants, a comprehensive evaluation of long-term efficacy of antibody response in convalescent individuals is urgently needed. Several longitudinal studies had reported the antibody dynamics after SARS-CoV-2 acute infection, but the follow-up was mostly limited to 1 year or 18 months at the maximum. In this study, we investigated the durability, potency, and susceptibility to immune evasion of SARS-CoV-2-specific antibody in COVID-19 convalescents for 2 years after discharge. These results showed the persistent antibody-dependent immunity could protect against the WT and Delta variant to some extent. However, the Omicron variants (BA.1, BA.2, and BA.4/5) largely escaped this preexisting immunity in recovered individuals. Furthermore, we revealed that inactivated vaccines (BBIBP-CorV, CoronaVac, or KCONVAC) could improve the plasma neutralization and help to maintain the broadly neutralizing antibodies at a certain level. Notably, with the time-dependent decline of antibody, 1-dose or 2-dose vaccination strategy seemed not to be enough to provide immune protection against the emerging variants. Overall, these results facilitated our understanding of SARS-CoV-2-induced antibody memory, contributing to the development of immunization strategy against SARS-CoV-2 variants for such a large number of COVID-19 survivors.
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Affiliation(s)
- Miao Wang
- Institute for Hepatology, National Clinical Research Center for Infectious Disease, Shenzhen Third People’s Hospital, The Second Affiliated Hospital, School of Medicine, Southern University of Science and Technology, Shenzhen, People’s Republic of China
| | - Bing Zhou
- Institute for Hepatology, National Clinical Research Center for Infectious Disease, Shenzhen Third People’s Hospital, The Second Affiliated Hospital, School of Medicine, Southern University of Science and Technology, Shenzhen, People’s Republic of China
| | - Qing Fan
- Institute for Hepatology, National Clinical Research Center for Infectious Disease, Shenzhen Third People’s Hospital, The Second Affiliated Hospital, School of Medicine, Southern University of Science and Technology, Shenzhen, People’s Republic of China
| | - Xinrong Zhou
- Institute for Hepatology, National Clinical Research Center for Infectious Disease, Shenzhen Third People’s Hospital, The Second Affiliated Hospital, School of Medicine, Southern University of Science and Technology, Shenzhen, People’s Republic of China
| | - Xuejiao Liao
- Institute for Hepatology, National Clinical Research Center for Infectious Disease, Shenzhen Third People’s Hospital, The Second Affiliated Hospital, School of Medicine, Southern University of Science and Technology, Shenzhen, People’s Republic of China
| | - Jingyan Lin
- Institute for Hepatology, National Clinical Research Center for Infectious Disease, Shenzhen Third People’s Hospital, The Second Affiliated Hospital, School of Medicine, Southern University of Science and Technology, Shenzhen, People’s Republic of China
| | - Zhenghua Ma
- Institute for Hepatology, National Clinical Research Center for Infectious Disease, Shenzhen Third People’s Hospital, The Second Affiliated Hospital, School of Medicine, Southern University of Science and Technology, Shenzhen, People’s Republic of China
| | - Jingke Dong
- Institute for Hepatology, National Clinical Research Center for Infectious Disease, Shenzhen Third People’s Hospital, The Second Affiliated Hospital, School of Medicine, Southern University of Science and Technology, Shenzhen, People’s Republic of China
| | - Haiyan Wang
- Institute for Hepatology, National Clinical Research Center for Infectious Disease, Shenzhen Third People’s Hospital, The Second Affiliated Hospital, School of Medicine, Southern University of Science and Technology, Shenzhen, People’s Republic of China
| | - Xiangyang Ge
- Institute for Hepatology, National Clinical Research Center for Infectious Disease, Shenzhen Third People’s Hospital, The Second Affiliated Hospital, School of Medicine, Southern University of Science and Technology, Shenzhen, People’s Republic of China
| | - Bin Ju
- Institute for Hepatology, National Clinical Research Center for Infectious Disease, Shenzhen Third People’s Hospital, The Second Affiliated Hospital, School of Medicine, Southern University of Science and Technology, Shenzhen, People’s Republic of China,Guangdong Key Laboratory for Anti-infection Drug Quality Evaluation, Shenzhen, People’s Republic of China, Bin Ju Institute for Hepatology, National Clinical Research Center for Infectious Disease, Shenzhen Third People’s Hospital, The Second Affiliated Hospital, School of Medicine, Southern University of Science and Technology, Shenzhen, Guangdong518112, People’s Republic of China; Guangdong Key Laboratory for Anti-infection Drug Quality Evaluation, Shenzhen, Guangdong518112, People’s Republic of China; Zheng Zhang Institute for Hepatology, National Clinical Research Center for Infectious Disease, Shenzhen Third People’s Hospital, The Second Affiliated Hospital, School of Medicine, Southern University of Science and Technology, Shenzhen, Guangdong518112, People’s Republic of China; Guangdong Key Laboratory for Anti-infection Drug Quality Evaluation, Shenzhen, Guangdong518112, People’s Republic of China; Shenzhen Research Center for Communicable Disease Diagnosis and Treatment of Chinese Academy of Medical Science, Shenzhen, Guangdong518112, People’s Republic of China
| | - Zheng Zhang
- Institute for Hepatology, National Clinical Research Center for Infectious Disease, Shenzhen Third People’s Hospital, The Second Affiliated Hospital, School of Medicine, Southern University of Science and Technology, Shenzhen, People’s Republic of China,Guangdong Key Laboratory for Anti-infection Drug Quality Evaluation, Shenzhen, People’s Republic of China,Shenzhen Research Center for Communicable Disease Diagnosis and Treatment of Chinese Academy of Medical Science, Shenzhen, People’s Republic of China, Bin Ju Institute for Hepatology, National Clinical Research Center for Infectious Disease, Shenzhen Third People’s Hospital, The Second Affiliated Hospital, School of Medicine, Southern University of Science and Technology, Shenzhen, Guangdong518112, People’s Republic of China; Guangdong Key Laboratory for Anti-infection Drug Quality Evaluation, Shenzhen, Guangdong518112, People’s Republic of China; Zheng Zhang Institute for Hepatology, National Clinical Research Center for Infectious Disease, Shenzhen Third People’s Hospital, The Second Affiliated Hospital, School of Medicine, Southern University of Science and Technology, Shenzhen, Guangdong518112, People’s Republic of China; Guangdong Key Laboratory for Anti-infection Drug Quality Evaluation, Shenzhen, Guangdong518112, People’s Republic of China; Shenzhen Research Center for Communicable Disease Diagnosis and Treatment of Chinese Academy of Medical Science, Shenzhen, Guangdong518112, People’s Republic of China
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7
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Joseph JO, Ylade M, Daag JV, Aogo R, Crisostomo MV, Mpingabo P, Premkumar L, Deen J, Katzelnick L. High transmission of endemic human coronaviruses before and during the COVID-19 pandemic in adolescents in Cebu, Philippines. Res Sq 2023:rs.3.rs-3581033. [PMID: 38014070 PMCID: PMC10680936 DOI: 10.21203/rs.3.rs-3581033/v1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/29/2023]
Abstract
BACKGROUND SARS-CoV-2, the causative agent of COVID-19, is a betacoronavirus belonging to the same genus as endemic human coronaviruses (hCoVs) OC43 and HKU1 and is distinct from alpha hCoVs 229E and NL63. In a study of adolescents in the Philippines, we evaluated the seroprevalence to hCoVs, whether pre-pandemic hCoV immunity modulated subsequent risk of SARS-CoV-2 infection, and if SARS-CoV-2 infection affected the transmission of the hCoVs. METHODS From 499 samples collected in 2021 and screened by SARS-CoV-2 receptor binding domain (RBD) enzyme-linked immunosorbent assay (ELISA), we randomly selected 59 SARS-CoV-2 negative and 61 positive individuals for further serological evaluation. We measured RBD and spike antibodies to the four hCoVs and SARS-CoV-2 by ELISA in samples from the same participants collected pre-pandemic (2018-2019) and mid-pandemic (2021), before COVID-19 vaccination. RESULTS We observed over 72% seropositivity to the four hCoVs pre-pandemic. Binding antibodies increased with age to 229E and OC43, suggesting endemic circulation, while immunity was flat across ages for HKU1 and NL63. During the COVID-19 pandemic, antibody level increased significantly to the RBDs of OC43, NL63, and 229E and spikes of all four hCoVs in both SARS-CoV-2 negative and positive adolescents. Those aged 12-15 years old in 2021 had higher antibodies to RBD and spike of OC43, NL63, and 229E than adolescents the same age in 2019, further demonstrating intense transmission of the hCoVs during the pandemic. CONCLUSIONS We observe a limited impact of the COVID-19 pandemic on endemic hCoV transmission. This study provides insight into co-circulation of hCoVs and SARS-CoV-2.
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8
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Dowell AC, Tut G, Begum J, Bruton R, Bentley C, Butler M, Uwenedi G, Zuo J, Powell AA, Brent AJ, Brent B, Baawuah F, Okike I, Beckmann J, Ahmad S, Aiano F, Garstang J, Ramsay ME, Moss P, Ladhani SN. Nasal mucosal IgA levels against SARS-CoV-2 and seasonal coronaviruses are low in children but boosted by reinfection. J Infect 2023; 87:403-412. [PMID: 37660754 DOI: 10.1016/j.jinf.2023.08.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2023] [Revised: 08/25/2023] [Accepted: 08/29/2023] [Indexed: 09/05/2023]
Abstract
Repeated coronavirus infections in childhood drive progressive maturation of systemic immune responses into adulthood. Analyses of immune responses in children have focused primarily upon systemic assessment but the importance of mucosal immunity is increasingly recognised. We studied virus-specific antibody responses in contemporaneous nasal swabs and blood samples from 99 children (4-15 years) and 28 adults (22-56 years), all of whom had prior SARS-CoV-2 infection. Whilst mucosal IgA titres against Influenza and Respiratory Syncytial virus were comparable between children and adults, those against all coronaviruses, including SARS-CoV-2, were lower in children. Mucosal IgA antibodies demonstrated comparable relative neutralisation capacity in both groups and retained activity against recent omicron variants such as XBB.1 which are highly evasive of IgG neutralisation. SARS-CoV-2 reinfection preferentially enhanced mucosal IgA responses whilst the impact of vaccination was more modest. Nasal IgA levels against coronaviruses thus display a pattern of incremental response to reinfection which likely determines the natural history of reinfection. This highlights the particular significance of developing mucosal vaccines against coronaviruses in children.
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Affiliation(s)
- Alexander C Dowell
- Institute of Immunology & Immunotherapy, College of Medical and Dental Sciences, University of Birmingham, Birmingham, United Kingdom
| | - Gokhan Tut
- Institute of Immunology & Immunotherapy, College of Medical and Dental Sciences, University of Birmingham, Birmingham, United Kingdom
| | - Jusnara Begum
- Institute of Immunology & Immunotherapy, College of Medical and Dental Sciences, University of Birmingham, Birmingham, United Kingdom
| | - Rachel Bruton
- Institute of Immunology & Immunotherapy, College of Medical and Dental Sciences, University of Birmingham, Birmingham, United Kingdom
| | - Christopher Bentley
- Institute of Immunology & Immunotherapy, College of Medical and Dental Sciences, University of Birmingham, Birmingham, United Kingdom
| | - Megan Butler
- Institute of Immunology & Immunotherapy, College of Medical and Dental Sciences, University of Birmingham, Birmingham, United Kingdom
| | - Grace Uwenedi
- Institute of Immunology & Immunotherapy, College of Medical and Dental Sciences, University of Birmingham, Birmingham, United Kingdom
| | - Jianmin Zuo
- Institute of Immunology & Immunotherapy, College of Medical and Dental Sciences, University of Birmingham, Birmingham, United Kingdom
| | - Annabel A Powell
- Immunisation Department, UK Health Security Agency, 61 Colindale Avenue, London, United Kingdom
| | - Andrew J Brent
- Oxford University Hospitals NHS Foundation Trust, Old Road, Oxford, United Kingdom; University of Oxford, Wellington Square, Oxford, United Kingdom
| | - Bernadette Brent
- Oxford University Hospitals NHS Foundation Trust, Old Road, Oxford, United Kingdom
| | - Frances Baawuah
- Immunisation Department, UK Health Security Agency, 61 Colindale Avenue, London, United Kingdom
| | - Ifeanyichukwu Okike
- Immunisation Department, UK Health Security Agency, 61 Colindale Avenue, London, United Kingdom; University Hospitals of Derby and Burton NHS Foundation Trust, Uttoxeter New Road, Derby, United Kingdom
| | - Joanne Beckmann
- East London NHS Foundation Trust, 9 Allie Street, London, United Kingdom
| | - Shazaad Ahmad
- Manchester University NHS Foundation Trust, Oxford Road, Manchester, United Kingdom
| | - Felicity Aiano
- Immunisation Department, UK Health Security Agency, 61 Colindale Avenue, London, United Kingdom
| | - Joanna Garstang
- Birmingham Community Healthcare NHS Trust, Holt Street, Aston, United Kingdom
| | - Mary E Ramsay
- Immunisation Department, UK Health Security Agency, 61 Colindale Avenue, London, United Kingdom
| | - Paul Moss
- Institute of Immunology & Immunotherapy, College of Medical and Dental Sciences, University of Birmingham, Birmingham, United Kingdom.
| | - Shamez N Ladhani
- Immunisation Department, UK Health Security Agency, 61 Colindale Avenue, London, United Kingdom.
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9
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Familiar-Macedo D, Vieira Damasco P, Fiestas Solórzano VE, Carnevale Rodrigues J, Sampaio de Lemos ER, Barreto Dos Santos F, Agudo Mendonça Teixeira de Siqueira M, Leal de Azeredo E, de-Oliveira-Pinto LM. Inflammatory and cytotoxic mediators in COVID-19 patients and in ChAdOx1 nCoV-19 (AZD1222) vaccine recipients. Cytokine 2023; 171:156350. [PMID: 37672863 DOI: 10.1016/j.cyto.2023.156350] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2023] [Revised: 07/14/2023] [Accepted: 08/23/2023] [Indexed: 09/08/2023]
Abstract
Immunological and cytotoxic mediators are induced in natural infection and are essential for the effectiveness of vaccination. Vaccination is useful to prevent the spread of SARS-CoV-2 and limit the morbidity/mortality of COVID-19. ChAdOx1 nCoV-19 is one of the most widespread vaccines in the world. We compared the detection of anti-S1 SARS-CoV2 IgG and the profile of inflammatory and cytotoxic responses of patients who developed different clinical outcomes of COVID-19 with individuals previously exposed or not to the virus received the first and booster doses of ChAdOx1 nCoV-19. Plasma from 35 patients with COVID-19 and 11 vaccinated were evaluated by multiplex assay. Here, no vaccinated subjects had serious adverse effects. Those vaccinated with a booster dose had higher anti-S1 IgG than mild/moderate and recovered patients. Critically ill and deceased patients had IgG levels like those immunized. By univariate analysis, IL-2, IL-17, and perforin do not differentiate between patients and vaccinated individuals. Granzyme A increased at dose 1, while patients had their levels reduced. High levels of granulysin, sFas, and IL-6 were detected in the deaths, but after vaccination, all were declined. The multivariate analysis supports the role of IL-6 and granulysin as associated and non-confounding variables related to the worst clinical outcome of COVID-19, but not sFas. Our data confirm the ability of the ChAdOx1 vaccine to produce specific antibody levels up to booster time. Furthermore, our data suggest that the vaccine can regulate both the hyper-production and the kinetics of the production of inflammatory and cytotoxic mediators involved in the cytokine storm, such as granulysin and IL-6.
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Affiliation(s)
- Débora Familiar-Macedo
- Laboratório das Interações Vírus-Hospedeiros (LIVH), Instituto Oswaldo Cruz, Fundação Oswaldo Cruz (IOC/Fiocruz), Rio de Janeiro 21040-360, Brazil.
| | - Paulo Vieira Damasco
- Rede Casa Hospital Rio Laranjeiras e Rio Botafogo, Rio de Janeiro 22240-000, Brazil
| | - Victor Edgar Fiestas Solórzano
- Laboratório das Interações Vírus-Hospedeiros (LIVH), Instituto Oswaldo Cruz, Fundação Oswaldo Cruz (IOC/Fiocruz), Rio de Janeiro 21040-360, Brazil.
| | - Joyce Carnevale Rodrigues
- Laboratório das Interações Vírus-Hospedeiros (LIVH), Instituto Oswaldo Cruz, Fundação Oswaldo Cruz (IOC/Fiocruz), Rio de Janeiro 21040-360, Brazil
| | - Elba Regina Sampaio de Lemos
- Laboratório de Hantaviroses e Rickettsioses, Instituto Oswaldo Cruz, Fundação Oswaldo Cruz (IOC/Fiocruz), Rio de Janeiro 21040-360, Brazil.
| | - Flávia Barreto Dos Santos
- Laboratório das Interações Vírus-Hospedeiros (LIVH), Instituto Oswaldo Cruz, Fundação Oswaldo Cruz (IOC/Fiocruz), Rio de Janeiro 21040-360, Brazil.
| | - Marilda Agudo Mendonça Teixeira de Siqueira
- Laboratório de Vírus Respiratórios, Exantemáticos, Enterovírus e Emergências Virais (LVRE), Instituto Oswaldo Cruz, Fundação Oswaldo Cruz (IOC/Fiocruz), Rio de Janeiro 21040-360, Brazil.
| | - Elzinandes Leal de Azeredo
- Laboratório das Interações Vírus-Hospedeiros (LIVH), Instituto Oswaldo Cruz, Fundação Oswaldo Cruz (IOC/Fiocruz), Rio de Janeiro 21040-360, Brazil.
| | - Luzia Maria de-Oliveira-Pinto
- Laboratório das Interações Vírus-Hospedeiros (LIVH), Instituto Oswaldo Cruz, Fundação Oswaldo Cruz (IOC/Fiocruz), Rio de Janeiro 21040-360, Brazil.
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10
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Bean DJ, Monroe J, Liang YM, Borberg E, Senussi Y, Swank Z, Chalise S, Walt D, Weinberg J, Sagar M. Heterotypic responses against nsp12/nsp13 from prior SARS-CoV-2 infection associates with lower subsequent endemic coronavirus incidence. bioRxiv 2023:2023.10.23.563621. [PMID: 37961343 PMCID: PMC10634759 DOI: 10.1101/2023.10.23.563621] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/15/2023]
Abstract
Immune responses from prior SARS-CoV-2 infection and COVID-19 vaccination do not prevent re-infections and may not protect against future novel coronaviruses (CoVs). We examined the incidence of and immune differences against human endemic CoVs (eCoV) as a proxy for response against future emerging CoVs. Assessment was among those with known SARS-CoV-2 infection, COVID-19 vaccination but no documented SARS-CoV-2 infection, or neither exposure. Retrospective cohort analyses suggest that prior SARS-CoV-2 infection, but not COVID-19 vaccination alone, protects against subsequent symptomatic eCoV infection. CD8+ T cell responses to the non-structural eCoV proteins, nsp12 and nsp13, were significantly higher in individuals with previous SARS-CoV-2 infection as compared to the other groups. The three groups had similar cellular responses against the eCoV spike and nucleocapsid, and those with prior spike exposure had lower eCoV-directed neutralizing antibodies. Incorporation of non-structural viral antigens in a future pan-CoV vaccine may improve protection against future heterologous CoV infections.
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Affiliation(s)
- David J. Bean
- Department of Virology, Immunology and Microbiology, Boston University Chobanian & Avedisian School of Medicine, Boston, MA
| | - Janet Monroe
- Department of Medicine, Boston University Chobanian & Avedisian School of Medicine, Boston, MA
| | - Yan Mei Liang
- Department of Medicine, Boston University Chobanian & Avedisian School of Medicine, Boston, MA
| | - Ella Borberg
- Department of Pathology, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA
- Wyss Institute for Biologically Inspired Engineering, Harvard University, Boston, MA
| | - Yasmeen Senussi
- Department of Pathology, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA
- Wyss Institute for Biologically Inspired Engineering, Harvard University, Boston, MA
| | - Zoe Swank
- Department of Pathology, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA
- Wyss Institute for Biologically Inspired Engineering, Harvard University, Boston, MA
| | - Sujata Chalise
- Department of Pathology, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA
- Wyss Institute for Biologically Inspired Engineering, Harvard University, Boston, MA
| | - David Walt
- Department of Pathology, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA
- Wyss Institute for Biologically Inspired Engineering, Harvard University, Boston, MA
| | - Janice Weinberg
- Department of Biostatistics, Boston University School of Public Health, Boston, MA
| | - Manish Sagar
- Department of Virology, Immunology and Microbiology, Boston University Chobanian & Avedisian School of Medicine, Boston, MA
- Department of Medicine, Boston University Chobanian & Avedisian School of Medicine, Boston, MA
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11
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Mishra KP, Singh M, Saraswat D, Singh S. Development of ELISA-Based Assay for Detection of SARS-CoV-2 Neutralizing Antibody. Viral Immunol 2023; 36:495-502. [PMID: 37643285 DOI: 10.1089/vim.2023.0058] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/31/2023] Open
Abstract
Infection with severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) stimulates the plasma B cells to secrete specific antibodies against the viral antigen. However, not all antibodies can prevent the virus from entering the cells. The subpopulation of antibodies which blocks the entry of the virus into host cells is termed neutralizing antibodies (NAbs). The gold standard test for the detection of NAbs is the viral plaque reduction and neutralization test; however, various other methods can also be utilized to detect NAbs. In this study, we have developed an Enzyme Linked Immunosobent Assay (ELISA)-based protocol for rapid detection of SARS CoV-2 NAb by inhibiting the binding of the spike protein receptor-binding domain to angiotensin converting enzyme 2 and compared it with cPASS neutralizing antibody kit, which was approved by the Food and Drug Administration (FDA). The results obtained suggest that the in-house ELISA developed for the detection of NAbs against SARS-CoV-2 is rapid and reliable. Compared to FDA-approved GenScript's cPass assay, the specificity and the sensitivity of the in-house-developed ELISA kit were 100% (95% confidence intervals of 69.15-100.00) and 96% (95% confidence intervals of 86.29-99.51), respectively. Thus, the ELISA protocol developed to test the neutralizing activities of antibodies is rapid, which requires a BSL-2 infrastructure facility and can be easily performed. It has very high potential applications in the rapid screening of NAb against SARS-CoV-2.
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Affiliation(s)
- K P Mishra
- Immunomodulation Laboratory, Defence Institute of Physiology and Allied Sciences, Delhi, India
| | - Mrinalini Singh
- Immunomodulation Laboratory, Defence Institute of Physiology and Allied Sciences, Delhi, India
| | - Deepika Saraswat
- Immunomodulation Laboratory, Defence Institute of Physiology and Allied Sciences, Delhi, India
| | - Somnath Singh
- Immunomodulation Laboratory, Defence Institute of Physiology and Allied Sciences, Delhi, India
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12
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Hasan A, Rahim R, Nakayama EE, Uno K, Hasan N, Rahman M, Shioda T. Enhancement of IL-6 Production Induced by SARS-CoV-2 Nucleocapsid Protein and Bangladeshi COVID-19 Patients' Sera. Viruses 2023; 15:2018. [PMID: 37896795 PMCID: PMC10611338 DOI: 10.3390/v15102018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2023] [Revised: 09/22/2023] [Accepted: 09/27/2023] [Indexed: 10/29/2023] Open
Abstract
Coronavirus disease 2019 (COVID-19) is a respiratory tract infection caused by severe acute respiratory syndrome coronavirus 2 that can have detrimental effects on multiple organs and accelerate patient mortality. This study, which encompassed 130 confirmed COVID-19 patients who were assessed at three different time points (i.e., 3, 7, and 12 days) after the onset of symptoms, investigated interleukin-6 (IL-6) enhancement induced by a viral nucleocapsid (N) protein from a myeloid cell line. Disease severity was categorized as mild, moderate, or severe. The severe cases were characterized as having significant elevations in serum IL-6, C-reactive protein, D-dimer, ferritin, creatinine, leukocytes, and neutrophil-to-lymphocyte ratio and decreased hemoglobin, hematocrit, and albumin levels compared with mild and moderate cases. To evaluate IL-6-inducing activity, heat-inactivated sera from these patients were incubated with and without the N protein. The findings showed a progressive increase in IL-6 production in severe cases upon N protein stimulation. There was a strong correlation between anti-N antibodies and levels of IL-6 secreted by myeloid cells in the presence of N protein and sera, indicating the crucial role that the anti-N antibody plays in inducing IL-6 production. Uncontrolled IL-6 production played a pivotal role in disease pathogenesis, exacerbating both disease severity and mortality. Efficiently targeting the N protein could potentially be employed as a therapeutic strategy for regulating the immune response and alleviating inflammation in severe cases.
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Affiliation(s)
- Abu Hasan
- Evercare Hospital Dhaka, Plot-81, Block-E, Bashundhara R/A, Dhaka 1229, Bangladesh; (A.H.); (R.R.); (N.H.)
| | - Rummana Rahim
- Evercare Hospital Dhaka, Plot-81, Block-E, Bashundhara R/A, Dhaka 1229, Bangladesh; (A.H.); (R.R.); (N.H.)
| | - Emi E. Nakayama
- Research Institute for Microbial Diseases, Osaka University, Suita 565-0781, Japan;
| | - Kazuko Uno
- IFN & Host-Defense Research Laboratory, Louis Pasteur Center for Medical Research, Kyoto 606-8225, Japan;
| | - Nazmul Hasan
- Evercare Hospital Dhaka, Plot-81, Block-E, Bashundhara R/A, Dhaka 1229, Bangladesh; (A.H.); (R.R.); (N.H.)
| | - Mizanur Rahman
- Evercare Hospital Dhaka, Plot-81, Block-E, Bashundhara R/A, Dhaka 1229, Bangladesh; (A.H.); (R.R.); (N.H.)
| | - Tatsuo Shioda
- Research Institute for Microbial Diseases, Osaka University, Suita 565-0781, Japan;
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13
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Rottmayer K, Loeffler-Wirth H, Gruenewald T, Doxiadis I, Lehmann C. Individual Immune Response to SARS-CoV-2 Infection-The Role of Seasonal Coronaviruses and Human Leukocyte Antigen. Biology (Basel) 2023; 12:1293. [PMID: 37887003 PMCID: PMC10603889 DOI: 10.3390/biology12101293] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/31/2023] [Revised: 09/24/2023] [Accepted: 09/25/2023] [Indexed: 10/28/2023]
Abstract
During the coronavirus pandemic, evidence is growing that the severity, susceptibility and host immune response to SARS-CoV-2 infection can be highly variable. Several influencing factors have been discussed. Here, we investigated the humoral immune response against SARS-CoV-2 spike, S1, S2, the RBD, nucleocapsid moieties and S1 of seasonal coronaviruses: hCoV-229E, hCoV-HKU1, hCoV-NL63 and hCoV-OC43, as well as MERS-CoV and SARS-CoV, in a cohort of 512 individuals. A bead-based multiplex assay allowed simultaneous testing for all the above antigens and the identification of different antibody patterns. Then, we correlated these patterns with 11 HLA loci. Regarding the seasonal coronaviruses, we found a moderate negative correlation between antibody levels against hCoV-229E, hCoV-HKU1 and hCoV-NL63 and the SARS-CoV-2 antigens. This could be an indication of the original immunological imprinting. High and low antibody response patterns were distinguishable, demonstrating the individuality of the humoral response towards the virus. An immunogenetical factor associated with a high antibody response (formation of ≥4 different antibodies) was the presence of HLA A*26:01, C*02:02 and DPB1*04:01 alleles, whereas the HLA alleles DRB3*01:01, DPB1*03:01 and DB1*10:01 were enriched in low responders. A better understanding of this variable immune response could enable more individualized protective measures.
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Affiliation(s)
- Karla Rottmayer
- Laboratory for Transplantation Immunology, University Hospital Leipzig, Johannisallee 32, 04103 Leipzig, Germany
| | - Henry Loeffler-Wirth
- Interdisciplinary Centre for Bioinformatics, IZBI, Leipzig University, Haertelstr. 16–18, 04107 Leipzig, Germany
| | - Thomas Gruenewald
- Clinic for Infectious Diseases and Tropical Medicine, Klinikum Chemnitz, Flemmingstraße 2, 09116 Chemnitz, Germany
| | - Ilias Doxiadis
- Laboratory for Transplantation Immunology, University Hospital Leipzig, Johannisallee 32, 04103 Leipzig, Germany
| | - Claudia Lehmann
- Laboratory for Transplantation Immunology, University Hospital Leipzig, Johannisallee 32, 04103 Leipzig, Germany
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14
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Nurisyah S, Iyori M, Hasyim AA, Sakamoto A, Hashimoto H, Yamagata K, Yamauchi S, Amru K, Zainal KH, Idris I, Yoshida S, Djaharuddin I, Syafruddin D, Bukhari A, Asih PBS, Yusuf Y. Comparison between Neutralization Capacity of Antibodies Elicited by COVID-19 Natural Infection and Vaccination in Indonesia: A Prospective Cohort. Antibodies (Basel) 2023; 12:60. [PMID: 37753974 PMCID: PMC10526084 DOI: 10.3390/antib12030060] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2023] [Revised: 08/21/2023] [Accepted: 09/18/2023] [Indexed: 09/28/2023] Open
Abstract
BACKGROUND To fight the COVID-19 pandemic, immunity against SARS-CoV-2 should be achieved not only through natural infection but also by vaccination. The effect of COVID-19 vaccination on previously infected persons is debatable. METHODS A prospective cohort was undergone to collect sera from unvaccinated survivors and vaccinated persons-with and without COVID-19 pre-infection. The sera were analyzed for the anti-receptor binding domain (RBD) titers by ELISA and for the capacity to neutralize the pseudovirus of the Wuhan-Hu-1 strain by luciferase assays. RESULTS Neither the antibody titers nor the neutralization capacity was significantly different between the three groups. However, the correlation between the antibody titers and the percentage of viral neutralization derived from sera of unvaccinated survivors was higher than that from vaccinated persons with pre-infection and vaccinated naïve individuals (Spearman correlation coefficient (r) = -0.8558; 95% CI, -0.9259 to -0.7288), p < 0.0001 vs. -0.7855; 95% CI, -0.8877 to -0.6096, p < 0.0001 and -0.581; 95% CI, -0.7679 to -0.3028, p = 0.0002, respectively), indicating the capacity to neutralize the virus is most superior by infection alone. CONCLUSIONS Vaccines induce anti-RBD titers as high as the natural infection with lower neutralization capacity, and it does not boost immunity in pre-infected persons.
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Affiliation(s)
- Sitti Nurisyah
- Faculty of Medicine, Hasanuddin University, Makassar 90245, Indonesia; (S.N.); (K.A.); (I.I.); (I.D.); (D.S.); (A.B.)
- Dr. Tadjuddin Chalid Hospital, Makassar 90241, Indonesia
| | - Mitsuhiro Iyori
- Research Institute of Pharmaceutical Sciences, Musashino University, Nishitokyo, Tokyo 202-8585, Japan;
| | - Ammar Abdurrahman Hasyim
- Laboratory of Vaccinology and Applied Immunology, Kanazawa University, Kanazawa 920-1192, Japan; (A.A.H.); (A.S.); (H.H.); (K.Y.); (S.Y.); (K.H.Z.); (S.Y.)
| | - Akihiko Sakamoto
- Laboratory of Vaccinology and Applied Immunology, Kanazawa University, Kanazawa 920-1192, Japan; (A.A.H.); (A.S.); (H.H.); (K.Y.); (S.Y.); (K.H.Z.); (S.Y.)
| | - Hinata Hashimoto
- Laboratory of Vaccinology and Applied Immunology, Kanazawa University, Kanazawa 920-1192, Japan; (A.A.H.); (A.S.); (H.H.); (K.Y.); (S.Y.); (K.H.Z.); (S.Y.)
| | - Kyouhei Yamagata
- Laboratory of Vaccinology and Applied Immunology, Kanazawa University, Kanazawa 920-1192, Japan; (A.A.H.); (A.S.); (H.H.); (K.Y.); (S.Y.); (K.H.Z.); (S.Y.)
| | - Saya Yamauchi
- Laboratory of Vaccinology and Applied Immunology, Kanazawa University, Kanazawa 920-1192, Japan; (A.A.H.); (A.S.); (H.H.); (K.Y.); (S.Y.); (K.H.Z.); (S.Y.)
| | - Khaeriah Amru
- Faculty of Medicine, Hasanuddin University, Makassar 90245, Indonesia; (S.N.); (K.A.); (I.I.); (I.D.); (D.S.); (A.B.)
- Dr. Tadjuddin Chalid Hospital, Makassar 90241, Indonesia
| | - Kartika Hardianti Zainal
- Laboratory of Vaccinology and Applied Immunology, Kanazawa University, Kanazawa 920-1192, Japan; (A.A.H.); (A.S.); (H.H.); (K.Y.); (S.Y.); (K.H.Z.); (S.Y.)
| | - Irfan Idris
- Faculty of Medicine, Hasanuddin University, Makassar 90245, Indonesia; (S.N.); (K.A.); (I.I.); (I.D.); (D.S.); (A.B.)
- Hasanuddin University Medical Research Centre, Makassar 90245, Indonesia
| | - Shigeto Yoshida
- Laboratory of Vaccinology and Applied Immunology, Kanazawa University, Kanazawa 920-1192, Japan; (A.A.H.); (A.S.); (H.H.); (K.Y.); (S.Y.); (K.H.Z.); (S.Y.)
| | - Irawaty Djaharuddin
- Faculty of Medicine, Hasanuddin University, Makassar 90245, Indonesia; (S.N.); (K.A.); (I.I.); (I.D.); (D.S.); (A.B.)
- Dr. Wahidin Soedirohusodo Hospital, Makassar 90425, Indonesia
| | - Din Syafruddin
- Faculty of Medicine, Hasanuddin University, Makassar 90245, Indonesia; (S.N.); (K.A.); (I.I.); (I.D.); (D.S.); (A.B.)
- Hasanuddin University Medical Research Centre, Makassar 90245, Indonesia
| | - Agussalim Bukhari
- Faculty of Medicine, Hasanuddin University, Makassar 90245, Indonesia; (S.N.); (K.A.); (I.I.); (I.D.); (D.S.); (A.B.)
| | - Puji Budi Setia Asih
- Badan Riset dan Inovasi Nasional (National Research and Innovation Agency), Jakarta 10340, Indonesia;
| | - Yenni Yusuf
- Faculty of Medicine, Hasanuddin University, Makassar 90245, Indonesia; (S.N.); (K.A.); (I.I.); (I.D.); (D.S.); (A.B.)
- Hasanuddin University Medical Research Centre, Makassar 90245, Indonesia
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15
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Cantoni D, Wilkie C, Bentley EM, Mayora-Neto M, Wright E, Scott S, Ray S, Castillo-Olivares J, Heeney JL, Mattiuzzo G, Temperton NJ. Correlation between pseudotyped virus and authentic virus neutralisation assays, a systematic review and meta-analysis of the literature. Front Immunol 2023; 14:1184362. [PMID: 37790941 PMCID: PMC10544934 DOI: 10.3389/fimmu.2023.1184362] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2023] [Accepted: 08/28/2023] [Indexed: 10/05/2023] Open
Abstract
Background The virus neutralization assay is a principal method to assess the efficacy of antibodies in blocking viral entry. Due to biosafety handling requirements of viruses classified as hazard group 3 or 4, pseudotyped viruses can be used as a safer alternative. However, it is often queried how well the results derived from pseudotyped viruses correlate with authentic virus. This systematic review and meta-analysis was designed to comprehensively evaluate the correlation between the two assays. Methods Using PubMed and Google Scholar, reports that incorporated neutralisation assays with both pseudotyped virus, authentic virus, and the application of a mathematical formula to assess the relationship between the results, were selected for review. Our searches identified 67 reports, of which 22 underwent a three-level meta-analysis. Results The three-level meta-analysis revealed a high level of correlation between pseudotyped viruses and authentic viruses when used in an neutralisation assay. Reports that were not included in the meta-analysis also showed a high degree of correlation, with the exception of lentiviral-based pseudotyped Ebola viruses. Conclusion Pseudotyped viruses identified in this report can be used as a surrogate for authentic virus, though care must be taken in considering which pseudotype core to use when generating new uncharacterised pseudotyped viruses.
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Affiliation(s)
- Diego Cantoni
- MRC-University of Glasgow Centre for Virus Research, University of Glasgow, Glasgow, United Kingdom
| | - Craig Wilkie
- School of Mathematics & Statistics, University of Glasgow, Glasgow, United Kingdom
| | - Emma M. Bentley
- Medicines and Healthcare Products Regulatory Agency, South Mimms, United Kingdom
| | - Martin Mayora-Neto
- Viral Pseudotype Unit, Medway School of Pharmacy, The Universities of Greenwich and Kent at Medway, Chatham, United Kingdom
| | - Edward Wright
- Viral Pseudotype Unit, School of Life Sciences, University of Sussex, Brighton, United Kingdom
| | - Simon Scott
- Viral Pseudotype Unit, Medway School of Pharmacy, The Universities of Greenwich and Kent at Medway, Chatham, United Kingdom
| | - Surajit Ray
- School of Mathematics & Statistics, University of Glasgow, Glasgow, United Kingdom
| | - Javier Castillo-Olivares
- Laboratory of Viral Zoonotics, Department of Veterinary Medicine, University of Cambridge, Cambridge University, Cambridge, United Kingdom
| | - Jonathan Luke Heeney
- Laboratory of Viral Zoonotics, Department of Veterinary Medicine, University of Cambridge, Cambridge University, Cambridge, United Kingdom
- DIOSynVax, University of Cambridge, Cambridge, United Kingdom
| | - Giada Mattiuzzo
- Medicines and Healthcare Products Regulatory Agency, South Mimms, United Kingdom
| | - Nigel James Temperton
- Viral Pseudotype Unit, Medway School of Pharmacy, The Universities of Greenwich and Kent at Medway, Chatham, United Kingdom
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16
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Hitchings MDT, Patel EU, Khan R, Srikrishnan AK, Anderson M, Kumar KS, Wesolowski AP, Iqbal SH, Rodgers MA, Mehta SH, Cloherty G, Cummings DAT, Solomon SS. A Mixture Model for Estimating SARS-CoV-2 Seroprevalence in Chennai, India. Am J Epidemiol 2023; 192:1552-1561. [PMID: 37084085 PMCID: PMC10472327 DOI: 10.1093/aje/kwad103] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2022] [Revised: 12/01/2022] [Accepted: 04/18/2023] [Indexed: 04/22/2023] Open
Abstract
Serological assays used to estimate the prevalence of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) often rely on manufacturers' cutoffs established on the basis of severe cases. We conducted a household-based serosurvey of 4,677 individuals in Chennai, India, from January to May 2021. Samples were tested for SARS-CoV-2 immunoglobulin G (IgG) antibodies to the spike (S) and nucleocapsid (N) proteins. We calculated seroprevalence, defining seropositivity using manufacturer cutoffs and using a mixture model based on measured IgG level. Using manufacturer cutoffs, there was a 5-fold difference in seroprevalence estimated by each assay. This difference was largely reconciled using the mixture model, with estimated anti-S and anti-N IgG seroprevalence of 64.9% (95% credible interval (CrI): 63.8, 66.0) and 51.5% (95% CrI: 50.2, 52.9), respectively. Age and socioeconomic factors showed inconsistent relationships with anti-S and anti-N IgG seropositivity using manufacturer cutoffs. In the mixture model, age was not associated with seropositivity, and improved household ventilation was associated with lower seropositivity odds. With global vaccine scale-up, the utility of the more stable anti-S IgG assay may be limited due to the inclusion of the S protein in several vaccines. Estimates of SARS-CoV-2 seroprevalence using alternative targets must consider heterogeneity in seroresponse to ensure that seroprevalence is not underestimated and correlates are not misinterpreted.
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Affiliation(s)
- Matt D T Hitchings
- Correspondence to Dr. Matt Hitchings, Department of Biostatistics, College of Public Health and Health Professions, University of Florida, Clinical and Translational Research Building, 5th Floor, 2004 Mowry Road, Gainesville, FL 32603 (e-mail: )
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17
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Takahashi S, Peluso MJ, Hakim J, Turcios K, Janson O, Routledge I, Busch MP, Hoh R, Tai V, Kelly JD, Martin JN, Deeks SG, Henrich TJ, Greenhouse B, Rodríguez-Barraquer I. SARS-CoV-2 Serology Across Scales: A Framework for Unbiased Estimation of Cumulative Incidence Incorporating Antibody Kinetics and Epidemic Recency. Am J Epidemiol 2023; 192:1562-1575. [PMID: 37119030 PMCID: PMC10472487 DOI: 10.1093/aje/kwad106] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2021] [Revised: 12/29/2022] [Accepted: 04/24/2023] [Indexed: 04/30/2023] Open
Abstract
Serosurveys are a key resource for measuring severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) population exposure. A growing body of evidence suggests that asymptomatic and mild infections (together making up over 95% of all infections) are associated with lower antibody titers than severe infections. Antibody levels also peak a few weeks after infection and decay gradually. We developed a statistical approach to produce estimates of cumulative incidence from raw seroprevalence survey results that account for these sources of spectrum bias. We incorporate data on antibody responses on multiple assays from a postinfection longitudinal cohort, along with epidemic time series to account for the timing of a serosurvey relative to how recently individuals may have been infected. We applied this method to produce estimates of cumulative incidence from 5 large-scale SARS-CoV-2 serosurveys across different settings and study designs. We identified substantial differences between raw seroprevalence and cumulative incidence of over 2-fold in the results of some surveys, and we provide a tool for practitioners to generate cumulative incidence estimates with preset or custom parameter values. While unprecedented efforts have been launched to generate SARS-CoV-2 seroprevalence estimates over this past year, interpretation of results from these studies requires properly accounting for both population-level epidemiologic context and individual-level immune dynamics.
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Affiliation(s)
- Saki Takahashi
- Correspondence to Dr. Saki Takahashi, Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD 21205 (e-mail: )
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18
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Kanis FM, Meier JP, Guldan H, Niller HH, Dahm M, Dansard A, Zander T, Struck F, Soutschek E, Deml L, Möbus S, Barabas S. Performance of T-Track ® SARS-CoV-2, an Innovative Dual Marker RT-qPCR-Based Whole-Blood Assay for the Detection of SARS-CoV-2-Reactive T Cells. Diagnostics (Basel) 2023; 13:2722. [PMID: 37685260 PMCID: PMC10486492 DOI: 10.3390/diagnostics13172722] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2023] [Revised: 08/07/2023] [Accepted: 08/11/2023] [Indexed: 09/10/2023] Open
Abstract
T-cell immunity against severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) plays a central role in the control of the virus. In this study, we evaluated the performance of T-Track® SARS-CoV-2, a novel CE-marked quantitative reverse transcription-polymerase chain reaction (RT-qPCR) assay, which relies on the combined evaluation of IFNG and CXCL10 mRNA levels in response to the S1 and NP SARS-CoV-2 antigens, in 335 participants with or without a history of SARS-CoV-2 infection and vaccination, respectively. Of the 62 convalescent donors, 100% responded to S1 and 88.7% to NP antigens. In comparison, of the 68 naïve donors, 4.4% were reactive to S1 and 19.1% to NP. Convalescent donors <50 and ≥50 years of age demonstrated a 100% S1 reactivity and an 89.1% and 87.5% NP reactivity, respectively. T-cell responses by T-Track® SARS-CoV-2 and IgG serology by recomLine SARS-CoV-2 IgG according to the time from the last immunisation (by vaccination or viral infection) were comparable. Both assays showed a persistent cellular and humoral response for at least 36 weeks post immunisation in vaccinated and convalescent donors. Our results demonstrate the very good performance of the T-Track® SARS-CoV-2 molecular assay and suggest that it might be suitable to monitor the SARS-CoV-2-specific T-cell response in COVID-19 vaccinations trials and cross-reactivity studies.
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Affiliation(s)
| | | | | | - Hans-Helmut Niller
- Institute for Medical Microbiology and Hygiene, University of Regensburg, 93053 Regensburg, Germany
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19
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Yin D, Han Z, Lang B, Li Y, Mai G, Chen H, Feng L, Chen YQ, Luo H, Xiong Y, Jing L, Du X, Shu Y, Sun C. Effect of seasonal coronavirus immune imprinting on the immunogenicity of inactivated COVID-19 vaccination. Front Immunol 2023; 14:1195533. [PMID: 37654488 PMCID: PMC10467281 DOI: 10.3389/fimmu.2023.1195533] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2023] [Accepted: 07/31/2023] [Indexed: 09/02/2023] Open
Abstract
Background Pre-existing cross-reactive immunity among different coronaviruses, also termed immune imprinting, may have a comprehensive impact on subsequent SARS-CoV-2 infection and COVID-19 vaccination effectiveness. Here, we aim to explore the interplay between pre-existing seasonal coronaviruses (sCoVs) antibodies and the humoral immunity induced by COVID-19 vaccination. Methods We first collected serum samples from healthy donors prior to COVID-19 pandemic and individuals who had received COVID-19 vaccination post-pandemic in China, and the levels of IgG antibodies against sCoVs and SARS-CoV-2 were detected by ELISA. Wilcoxon rank sum test and chi-square test were used to compare the difference in magnitude and seropositivity rate between two groups. Then, we recruited a longitudinal cohort to collect serum samples before and after COVID-19 vaccination. The levels of IgG antibodies against SARS-CoV-2 S, S1, S2 and N antigen were monitored. Association between pre-existing sCoVs antibody and COVID-19 vaccination-induced antibodies were analyzed by Spearman rank correlation. Results 96.0% samples (339/353) showed the presence of IgG antibodies against at least one subtype of sCoVs. 229E and OC43 exhibited the highest seroprevalence rates at 78.5% and 72.0%, respectively, followed by NL63 (60.9%) and HKU1 (52.4%). The levels of IgG antibodies against two β coronaviruses (OC43 and HKU1) were significantly higher in these donors who had inoculated with COVID-19 vaccines compared to pre-pandemic healthy donors. However, we found that COVID-19 vaccine-induced antibody levels were not significant different between two groups with high levelor low level of pre-existing sCoVs antibody among the longitudinal cohort. Conclusion We found a high prevalence of antibodies against sCoVs in Chinese population. The immune imprinting by sCoVs could be reactivated by COVID-19 vaccination, but it did not appear to be a major factor affecting the immunogenicity of COVID-19 vaccine. These findings will provide insights into understanding the impact of immune imprinting on subsequent multiple shots of COVID-19 vaccines.
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Affiliation(s)
- Di Yin
- School of Public Health (Shenzhen), Shenzhen Campus of Sun Yat-sen University, Shenzhen, China
- School of Public Health (Shenzhen), Sun Yat-sen University, Guangzhou, China
| | - Zirong Han
- School of Public Health (Shenzhen), Shenzhen Campus of Sun Yat-sen University, Shenzhen, China
- School of Public Health (Shenzhen), Sun Yat-sen University, Guangzhou, China
| | - Bing Lang
- School of Public Health (Shenzhen), Shenzhen Campus of Sun Yat-sen University, Shenzhen, China
- School of Public Health (Shenzhen), Sun Yat-sen University, Guangzhou, China
| | - Yanjun Li
- Emergency Manage Department, Foshan, China
| | - Guoqin Mai
- School of Public Health (Shenzhen), Shenzhen Campus of Sun Yat-sen University, Shenzhen, China
- School of Public Health (Shenzhen), Sun Yat-sen University, Guangzhou, China
| | - Hongbiao Chen
- Department of Epidemiology and Infectious Disease Control, Shenzhen, China
| | - Liqiang Feng
- State Key Laboratory of Respiratory Disease, Guangzhou Institutes of Biomedicine and Health (GIBH), Chinese Academy of Sciences, Guangzhou, China
| | - Yao-qing Chen
- School of Public Health (Shenzhen), Shenzhen Campus of Sun Yat-sen University, Shenzhen, China
- School of Public Health (Shenzhen), Sun Yat-sen University, Guangzhou, China
| | - Huanle Luo
- School of Public Health (Shenzhen), Shenzhen Campus of Sun Yat-sen University, Shenzhen, China
- School of Public Health (Shenzhen), Sun Yat-sen University, Guangzhou, China
| | - Yaming Xiong
- Institute of Clinical Medicine, First People's Hospital of Foshan, Foshan, China
| | - Lin Jing
- Institute of Clinical Medicine, First People's Hospital of Foshan, Foshan, China
| | - Xiangjun Du
- School of Public Health (Shenzhen), Shenzhen Campus of Sun Yat-sen University, Shenzhen, China
- School of Public Health (Shenzhen), Sun Yat-sen University, Guangzhou, China
- Key Laboratory of Tropical Disease Control (Sun Yat-sen University), Ministry of Education, Guangzhou, China
| | - Yuelong Shu
- School of Public Health (Shenzhen), Shenzhen Campus of Sun Yat-sen University, Shenzhen, China
- School of Public Health (Shenzhen), Sun Yat-sen University, Guangzhou, China
- National Health Commission of the People's Republic of China (NHC) Key Laboratory of System Biology of Pathogens, Institute of Pathogen Biology, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Caijun Sun
- School of Public Health (Shenzhen), Shenzhen Campus of Sun Yat-sen University, Shenzhen, China
- School of Public Health (Shenzhen), Sun Yat-sen University, Guangzhou, China
- Key Laboratory of Tropical Disease Control (Sun Yat-sen University), Ministry of Education, Guangzhou, China
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20
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Barrios MH, Nicholson S, Bull RA, Martinello M, Rawlinson W, Mina M, Post JJ, Hudson B, Gilroy N, Lloyd AR, Konecny P, Mordant F, Catton M, Subbarao K, Caly L, Druce J, Netter HJ. Comparative Longitudinal Serological Study of Anti-SARS-CoV-2 Antibody Profiles in People with COVID-19. Microorganisms 2023; 11:1985. [PMID: 37630545 PMCID: PMC10458948 DOI: 10.3390/microorganisms11081985] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2023] [Revised: 07/10/2023] [Accepted: 07/21/2023] [Indexed: 08/27/2023] Open
Abstract
Serological diagnostic assays are essential tools for determining an individual's protection against viruses like SARS-CoV-2, tracking the spread of the virus in the community, and evaluating population immunity. To assess the diversity and quality of the anti-SARS-CoV-2 antibody response, we have compared the antibody profiles of people with mild, moderate, and severe COVID-19 using a dot blot assay. The test targeted the four major structural proteins of SARS-CoV-2, namely the nucleocapsid (N), spike (S) protein domains S1 and S2, and receptor-binding domain (RBD). Serum samples were collected from 63 participants at various time points for up to 300 days after disease onset. The dot blot assay revealed patient-specific differences in the anti-SARS-CoV-2 antibody profiles. Out of the 63 participants with confirmed SARS-CoV-2 infections and clinical COVID-19, 35/63 participants exhibited diverse and robust responses against the tested antigens, while 14/63 participants displayed either limited responses to a subset of antigens or no detectable antibody response to any of the antigens. Anti-N-specific antibody levels decreased within 300 days after disease onset, whereas anti-S-specific antibodies persisted. The dynamics of the antibody response did not change during the test period, indicating stable antibody profiles. Among the participants, 28/63 patients with restricted anti-S antibody profiles or undetectable anti-S antibody levels in the dot blot assay also exhibited weak neutralization activity, as measured by a surrogate virus neutralization test (sVNT) and a microneutralization test. These results indicate that in some cases, natural infections do not lead to the production of neutralizing antibodies. Furthermore, the study revealed significant serological variability among patients, regardless of the severity of their COVID-19 illness. These differences need to be carefully considered when evaluating the protective antibody status of individuals who have experienced primary SARS-CoV-2 infections.
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Affiliation(s)
- Marilou H. Barrios
- Victorian Infectious Diseases Reference Laboratory (VIDRL), The Royal Melbourne Hospital, Melbourne, VIC 3000, Australia; (M.H.B.); (S.N.); (M.C.); (L.C.); (J.D.)
- Peter Doherty Institute, University of Melbourne, Melbourne, VIC 3000, Australia; (F.M.); (K.S.)
| | - Suellen Nicholson
- Victorian Infectious Diseases Reference Laboratory (VIDRL), The Royal Melbourne Hospital, Melbourne, VIC 3000, Australia; (M.H.B.); (S.N.); (M.C.); (L.C.); (J.D.)
- Peter Doherty Institute, University of Melbourne, Melbourne, VIC 3000, Australia; (F.M.); (K.S.)
| | - Rowena A. Bull
- The Kirby Institute, University of New South Wales (UNSW), Sydney, NSW 2052, Australia; (R.A.B.); (M.M.); (A.R.L.)
- School of Biomedical Sciences, Faculty of Medicine and Health, University of New South Wales (UNSW), Sydney, NSW 2052, Australia;
| | - Marianne Martinello
- The Kirby Institute, University of New South Wales (UNSW), Sydney, NSW 2052, Australia; (R.A.B.); (M.M.); (A.R.L.)
| | - William Rawlinson
- School of Biomedical Sciences, Faculty of Medicine and Health, University of New South Wales (UNSW), Sydney, NSW 2052, Australia;
- Serology and Virology Division, Department of Microbiology, New South Wales Health Pathology, Randwick, Sydney, NSW 2031, Australia
- Prince of Wales Hospital, Sydney, NSW 2031, Australia;
| | - Michael Mina
- Northern Beaches Hospital, Frenchs Forest, NSW 2086, Australia;
| | - Jeffrey J. Post
- Prince of Wales Hospital, Sydney, NSW 2031, Australia;
- School of Clinical Medicine, University of New South Wales (UNSW), Sydney, NSW 2052, Australia;
| | - Bernard Hudson
- Royal North Shore Hospital, Sydney, NSW 2065, Australia;
| | | | - Andrew R. Lloyd
- The Kirby Institute, University of New South Wales (UNSW), Sydney, NSW 2052, Australia; (R.A.B.); (M.M.); (A.R.L.)
| | - Pamela Konecny
- School of Clinical Medicine, University of New South Wales (UNSW), Sydney, NSW 2052, Australia;
- St. George Hospital, Sydney, NSW 2217, Australia
| | - Francesca Mordant
- Peter Doherty Institute, University of Melbourne, Melbourne, VIC 3000, Australia; (F.M.); (K.S.)
- Department of Microbiology and Immunology, University of Melbourne, Melbourne, VIC 3000, Australia
| | - Mike Catton
- Victorian Infectious Diseases Reference Laboratory (VIDRL), The Royal Melbourne Hospital, Melbourne, VIC 3000, Australia; (M.H.B.); (S.N.); (M.C.); (L.C.); (J.D.)
- Peter Doherty Institute, University of Melbourne, Melbourne, VIC 3000, Australia; (F.M.); (K.S.)
| | - Kanta Subbarao
- Peter Doherty Institute, University of Melbourne, Melbourne, VIC 3000, Australia; (F.M.); (K.S.)
- Department of Microbiology and Immunology, University of Melbourne, Melbourne, VIC 3000, Australia
- World Health Organization Collaborating Centre for Reference and Research on Influenza at the Peter Doherty Institute, Melbourne, VIC 3000, Australia
| | - Leon Caly
- Victorian Infectious Diseases Reference Laboratory (VIDRL), The Royal Melbourne Hospital, Melbourne, VIC 3000, Australia; (M.H.B.); (S.N.); (M.C.); (L.C.); (J.D.)
- Peter Doherty Institute, University of Melbourne, Melbourne, VIC 3000, Australia; (F.M.); (K.S.)
| | - Julian Druce
- Victorian Infectious Diseases Reference Laboratory (VIDRL), The Royal Melbourne Hospital, Melbourne, VIC 3000, Australia; (M.H.B.); (S.N.); (M.C.); (L.C.); (J.D.)
- Peter Doherty Institute, University of Melbourne, Melbourne, VIC 3000, Australia; (F.M.); (K.S.)
| | - Hans J. Netter
- Victorian Infectious Diseases Reference Laboratory (VIDRL), The Royal Melbourne Hospital, Melbourne, VIC 3000, Australia; (M.H.B.); (S.N.); (M.C.); (L.C.); (J.D.)
- Peter Doherty Institute, University of Melbourne, Melbourne, VIC 3000, Australia; (F.M.); (K.S.)
- School of Science, Royal Melbourne Institute of Technology (RMIT) University, Melbourne, VIC 3001, Australia
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21
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Sendi P, Widmer N, Branca M, Thierstein M, Büchi AE, Güntensperger D, Blum MR, Baldan R, Tinguely C, Heg D, Theel ES, Berbari E, Tande AJ, Endimiani A, Gowland P, Niederhauser C. Do quantitative levels of antispike-IgG antibodies aid in predicting protection from SARS-CoV-2 infection? Results from a longitudinal study in a police cohort. J Med Virol 2023; 95:e28904. [PMID: 37386901 DOI: 10.1002/jmv.28904] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2023] [Revised: 06/04/2023] [Accepted: 06/11/2023] [Indexed: 07/01/2023]
Abstract
In a COVID-19 sero-surveillance cohort study with predominantly healthy and vaccinated individuals, the objectives were (i) to investigate longitudinally the factors associated with the quantitative dynamics of antispike (anti-S1) IgG antibody levels, (ii) to evaluate whether the levels were associated with protection from SARS-CoV-2 infection, and (iii) to assess whether the association was different in the pre-Omicron compared with the Omicron period. The QuantiVac Euroimmun ELISA test was used to quantify anti-S1 IgG levels. The entire study period (16 months), the 11-month pre-Omicron period and the cross-sectional analysis before the Omicron surge included 3219, 2310, and 895 reactive serum samples from 949, 919, and 895 individuals, respectively. Mixed-effect linear, mixed-effect time-to-event, and logistic regression models were used to achieve the objectives. Age and time since infection or vaccination were the only factors associated with a decline of anti-S1 IgG levels. Higher antibody levels were significantly associated with protection from SARS-CoV-2 infection (0.89, 95% confidence interval [CI] 0.82-0.97), and the association was higher during the time period when Omicron was predominantly circulating compared with the ones when Alpha and Delta variants were predominant (adjusted hazard ratio for interaction 0.66, 95% CI 0.53-0.84). In a prediction model, it was estimated that >8000 BAU/mL anti-S1 IgG was required to reduce the risk of infection with Omicron variants by approximately 20%-30% for 90 days. Though, such high levels were only found in 1.9% of the samples before the Omicron surge, and they were not durable for 3 months. Anti-S1 IgG antibody levels are statistically associated with protection from SARS-CoV-2 infection. However, the prediction impact of the antibody level findings on infection protection is limited.
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Affiliation(s)
- Parham Sendi
- Institute for Infectious Diseases, University of Bern, Bern, Switzerland
| | - Nadja Widmer
- Interregional Blood Transfusion Swiss Red Cross, Bern, Switzerland
| | | | - Marc Thierstein
- Division Operations, Cantonal Police Bern, Bern, Switzerland
| | - Annina Elisabeth Büchi
- Department of Pulmonary Medicine, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
| | | | - Manuel Raphael Blum
- Department of General Internal Medicine, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
- Institute of Primary Health Care (BIHAM), University of Bern, Bern, Switzerland
| | - Rossella Baldan
- Institute for Infectious Diseases, University of Bern, Bern, Switzerland
| | | | - Dik Heg
- CTU Bern, University of Bern, Bern, Switzerland
| | - Elitza S Theel
- Division of Clinical Microbiology, Mayo Clinic, Rochester, Minnesota, USA
| | - Elie Berbari
- Division of Public Health, Infectious Diseases, and Occupational Medicine Mayo Clinic, Rochester, Minnesota, USA
| | - Aaron J Tande
- Division of Public Health, Infectious Diseases, and Occupational Medicine Mayo Clinic, Rochester, Minnesota, USA
| | - Andrea Endimiani
- Institute for Infectious Diseases, University of Bern, Bern, Switzerland
| | - Peter Gowland
- Interregional Blood Transfusion Swiss Red Cross, Bern, Switzerland
| | - Christoph Niederhauser
- Institute for Infectious Diseases, University of Bern, Bern, Switzerland
- Interregional Blood Transfusion Swiss Red Cross, Bern, Switzerland
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Xu J, Zheng J, Tan Y, Cai J, Xiang Y, Ling H, Li Z, Bai Q. Longitudinal Observation of Immune Response for 23 Months in COVID-19 Convalescent Patients After Infection and Vaccination. Viral Immunol 2023; 36:389-400. [PMID: 37276049 DOI: 10.1089/vim.2022.0111] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/07/2023] Open
Abstract
To better understand dynamic changes of severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) immune response, a prospective, single-center, cohort study was conducted on longitudinal immune response in 34 COVID-19 convalescent patients over 23 months in Chongqing. Two blood samples from convalescent patients were collected, first sample collected during 10-13 months (M10-13) after infection (pre-SARS-CoV-2 vaccination) and second sample collected during 20-23 months (M20-23) after infection (post-SARS-CoV-2 vaccination). The SARS-CoV-2-specific humoral and cellular immunity were traced by testing total antibody (Ab), anti-nucleocapsid (NP) immunoglobulin M (IgM), anti-NP immunoglobulin G (IgG), and anti-spike (S) IgG Abs, lymphocyte subset count, and Th1 cytokines. Healthy donors (30) were also included in the study as the uninspected healthy controls. Our data showed significant change in mean titer of SARS-CoV-2-specific Ab response from M10-13 to M20-23 included, namely, SARS-CoV-2-specific total Ab as 219 AU/mL increasing to 750.9 AU/mL; anti-NP IgM as 3.5 AU/mL decreasing significantly (p < 0.001) to 0.6 AU/mL; anti-NP IgG as 7.9 AU/mL increasing to 87.1 AU/mL; and anti-S IgG as 499.0 RU/mL increasing to 1,802.3 RU/mL. Our observations suggested that one vaccine dose might have been sufficient for COVID-19 convalescent patients. Larger sample sizes are needed to compare better immune effect of protein subunit vaccine. Besides, compared to healthy donors, patients had decreased CD3+ and CD8+ T lymphocyte counts during two periods. Patients had most cytokines recovered normally within 2 years, but IL-6 level was significantly elevated; however, IL-6 was negatively correlated with IgM and positively correlated with IgG. Changes in cytokines might have been caused by SARS-CoV-2 infection or vaccination. Patients with comorbidities were associated with decreased CD3+ and CD8+ T lymphocytes and lower Ab titers following SARS-CoV-2 vaccination. Vaccination enormously increased humoral immunity beneficial in COVID-19 convalescent patients. Elderly COVID-19 convalescent patients with comorbidities needed more attention.
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Affiliation(s)
- Jingru Xu
- College of Public Health, Chongqing Medical University, Chongqing, China
- Microbiological Laboratory, Chongqing Center for Disease Control and Prevention, Chongqing, China
| | - Juan Zheng
- Department of Neurology, Chongqing Red Cross Hospital (People's Hospital of Jiangbei District), Chongqing, China
| | - Yan Tan
- Microbiological Laboratory, Chongqing Center for Disease Control and Prevention, Chongqing, China
| | - Jiaojiao Cai
- Microbiological Laboratory, Chongqing Center for Disease Control and Prevention, Chongqing, China
| | - Yao Xiang
- Microbiological Laboratory, Chongqing Center for Disease Control and Prevention, Chongqing, China
| | - Hua Ling
- Microbiological Laboratory, Chongqing Center for Disease Control and Prevention, Chongqing, China
| | - Zhifeng Li
- Microbiological Laboratory, Chongqing Center for Disease Control and Prevention, Chongqing, China
| | - Qunhua Bai
- College of Public Health, Chongqing Medical University, Chongqing, China
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23
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Pan F, Gong J, Ma X, Tang X, Xing J, Sheng X, Chi H, Zhan W. Expression characteristics of non-virion protein of Hirame novirhabdovirus and its transfection induced response in hirame natural embryo cells. Int J Biol Macromol 2023; 242:124567. [PMID: 37100320 DOI: 10.1016/j.ijbiomac.2023.124567] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2022] [Revised: 03/19/2023] [Accepted: 04/06/2023] [Indexed: 04/28/2023]
Abstract
The non-virion (NV) protein is the signature of genus Novirhabdovirus, which has been of considerable concern due to its potential role in viral pathogenicity. However, its expression characteristics and induced immune response remain limited. In the present work, it was demonstrated that Hirame novirhabdovirus (HIRRV) NV protein was only detected in the viral infected hirame natural embryo (HINAE) cells, but absent in the purified virions. Results showed that the transcription of NV gene could be stably detected in HIRRV-infected HINAE cells at 12 h post infection (hpi) and then reached the peak at 72 hpi. A similar expression trend of NV gene was also found in HIRRV-infected flounders. Subcellular localization analysis further exhibited that HIRRV-NV protein was predominantly localized in the cytoplasm. To elucidate the biological function of HIRRV-NV protein, NV eukaryotic plasmid was transfected into HINAE cells for RNA-seq. Compared to empty plasmid group, some key genes in RLR signaling pathway were significantly downregulated in NV-overexpressed HINAE cells, indicating that RLR signaling pathway was inhibited by HIRRV-NV protein. The interferon-associated genes were also significantly suppressed upon transfection of NV gene. This research would improve our understanding of expression characteristics and biological function of NV protein during HIRRV infection process.
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Affiliation(s)
- Fenghuang Pan
- Laboratory of Pathology and Immunology of Aquatic Animals, KLMME, Ocean University of China, 5 Yushan Road, Qingdao 266003, China
| | - Jiaojiao Gong
- Laboratory of Pathology and Immunology of Aquatic Animals, KLMME, Ocean University of China, 5 Yushan Road, Qingdao 266003, China
| | - Xinbiao Ma
- Laboratory of Pathology and Immunology of Aquatic Animals, KLMME, Ocean University of China, 5 Yushan Road, Qingdao 266003, China
| | - Xiaoqian Tang
- Laboratory of Pathology and Immunology of Aquatic Animals, KLMME, Ocean University of China, 5 Yushan Road, Qingdao 266003, China; Laboratory for Marine Fisheries Science and Food Production Processes, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266071, China.
| | - Jing Xing
- Laboratory of Pathology and Immunology of Aquatic Animals, KLMME, Ocean University of China, 5 Yushan Road, Qingdao 266003, China; Laboratory for Marine Fisheries Science and Food Production Processes, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266071, China
| | - Xiuzhen Sheng
- Laboratory of Pathology and Immunology of Aquatic Animals, KLMME, Ocean University of China, 5 Yushan Road, Qingdao 266003, China; Laboratory for Marine Fisheries Science and Food Production Processes, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266071, China
| | - Heng Chi
- Laboratory of Pathology and Immunology of Aquatic Animals, KLMME, Ocean University of China, 5 Yushan Road, Qingdao 266003, China; Laboratory for Marine Fisheries Science and Food Production Processes, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266071, China
| | - Wenbin Zhan
- Laboratory of Pathology and Immunology of Aquatic Animals, KLMME, Ocean University of China, 5 Yushan Road, Qingdao 266003, China; Laboratory for Marine Fisheries Science and Food Production Processes, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266071, China
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24
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De Thoisy A, Woudenberg T, Pelleau S, Donnadieu F, Garcia L, Pinaud L, Tondeur L, Meola A, Arowas L, Clement N, Backovic M, Ungeheuer MN, Fontanet A, White M. Seroepidemiology of the Seasonal Human Coronaviruses NL63, 229E, OC43 and HKU1 in France. Open Forum Infect Dis 2023; 10:ofad340. [PMID: 37496603 PMCID: PMC10368309 DOI: 10.1093/ofid/ofad340] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2023] [Accepted: 06/30/2023] [Indexed: 07/28/2023] Open
Abstract
Background The seasonal human coronaviruses (HCoV) NL63, 229E, OC43, and HKU1 are globally endemic, yet the majority of HCoV infections remain undiagnosed. Methods In a cross-sectional study, 2389 serum samples were collected from children and adults in France in 2020. In a longitudinal cohort study, 2520 samples were collected from 898 French individuals followed up between 2020 and 2021. Antibodies to HCoVs were measured using a bead-based multiplex assay. Results The rate of waning of anti-HCoV spike immunoglobulin G antibodies was estimated as 0.22-0.47 year-1 for children, and 0.13-0.27 year-1 for adults. Seroreversion was estimated as 0.31-1.37 year-1 in children and 0.19-0.72 year-1 in adults. The estimated seroconversion rate in children was consistent with 20%-39% of children being infected every year with each HCoV. Conclusions The high force of infection in children indicates that HCoVs may be responsible for a substantial proportion of fever episodes experienced by children.
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Affiliation(s)
- Alix De Thoisy
- Infectious Disease Epidemiology and Analytics G5 Unit, Department of Global Health, Institut Pasteur, Université Paris Cité, Paris, France
| | - Tom Woudenberg
- Infectious Disease Epidemiology and Analytics G5 Unit, Department of Global Health, Institut Pasteur, Université Paris Cité, Paris, France
| | - Stéphane Pelleau
- Correspondence: Michael White, PhD, Infectious Disease Epidemiology and Analytics G5 Unit, Department of Global Health, Institut Pasteur, Rue du Docteur Roux, Paris 75015, France (); Stéphane Pelleau, PhD, Infectious Disease Epidemiology and Analytics G5 Unit, Department of Global Health, Institut Pasteur, Rue du Docteur Roux, Paris 75015, France ()
| | - Françoise Donnadieu
- Infectious Disease Epidemiology and Analytics G5 Unit, Department of Global Health, Institut Pasteur, Université Paris Cité, Paris, France
| | - Laura Garcia
- Infectious Disease Epidemiology and Analytics G5 Unit, Department of Global Health, Institut Pasteur, Université Paris Cité, Paris, France
| | - Laurie Pinaud
- Epidemiology of Emerging Diseases Unit, Department of Global Health, Institut Pasteur, Université Paris Cité, Paris, France
| | - Laura Tondeur
- Epidemiology of Emerging Diseases Unit, Department of Global Health, Institut Pasteur, Université Paris Cité, Paris, France
| | - Annalisa Meola
- Structural Virology Unit, Department of Virology and CNRS UMR 3569, Institut Pasteur, Université Paris Cité, Paris, France
| | - Laurence Arowas
- Investigation Clinique et Accès aux Ressources Biologiques (ICAReB), Center for Translational Research, Institut Pasteur, Paris, France
| | - Nathalie Clement
- Coordination Clinique du CRT, Center for Translational Research, Institut Pasteur, Paris, France
| | - Marija Backovic
- Structural Virology Unit, Department of Virology and CNRS UMR 3569, Institut Pasteur, Université Paris Cité, Paris, France
| | - Marie-Noëlle Ungeheuer
- Investigation Clinique et Accès aux Ressources Biologiques (ICAReB), Center for Translational Research, Institut Pasteur, Paris, France
| | - Arnaud Fontanet
- Epidemiology of Emerging Diseases Unit, Department of Global Health, Institut Pasteur, Université Paris Cité, Paris, France
- PACRI Unit, Conservatoire National des Arts et Métiers, Paris, France
| | - Michael White
- Correspondence: Michael White, PhD, Infectious Disease Epidemiology and Analytics G5 Unit, Department of Global Health, Institut Pasteur, Rue du Docteur Roux, Paris 75015, France (); Stéphane Pelleau, PhD, Infectious Disease Epidemiology and Analytics G5 Unit, Department of Global Health, Institut Pasteur, Rue du Docteur Roux, Paris 75015, France ()
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25
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Dowell AC, Lancaster T, Bruton R, Ireland G, Bentley C, Sylla P, Zuo J, Scott S, Jadir A, Begum J, Roberts T, Stephens C, Ditta S, Shepherdson R, Powell AA, Brent AJ, Brent B, Baawuah F, Okike I, Beckmann J, Ahmad S, Aiano F, Garstang J, Ramsay ME, Azad R, Waiblinger D, Willett B, Wright J, Ladhani SN, Moss P. Immunological imprinting of humoral immunity to SARS-CoV-2 in children. Nat Commun 2023; 14:3845. [PMID: 37386081 PMCID: PMC10310754 DOI: 10.1038/s41467-023-39575-2] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2023] [Accepted: 06/20/2023] [Indexed: 07/01/2023] Open
Abstract
Omicron variants of SARS-CoV-2 are globally dominant and infection rates are very high in children. We measure immune responses following Omicron BA.1/2 infection in children aged 6-14 years and relate this to prior and subsequent SARS-CoV-2 infection or vaccination. Primary Omicron infection elicits a weak antibody response with poor functional neutralizing antibodies. Subsequent Omicron reinfection or COVID-19 vaccination elicits increased antibody titres with broad neutralisation of Omicron subvariants. Prior pre-Omicron SARS-CoV-2 virus infection or vaccination primes for robust antibody responses following Omicron infection but these remain primarily focussed against ancestral variants. Primary Omicron infection thus elicits a weak antibody response in children which is boosted after reinfection or vaccination. Cellular responses are robust and broadly equivalent in all groups, providing protection against severe disease irrespective of SARS-CoV-2 variant. Immunological imprinting is likely to act as an important determinant of long-term humoral immunity, the future clinical importance of which is unknown.
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Affiliation(s)
- Alexander C Dowell
- Institute of Immunology & Immunotherapy, College of Medical and Dental Sciences, University of Birmingham, Birmingham, UK
| | - Tara Lancaster
- Institute of Immunology & Immunotherapy, College of Medical and Dental Sciences, University of Birmingham, Birmingham, UK
| | - Rachel Bruton
- Institute of Immunology & Immunotherapy, College of Medical and Dental Sciences, University of Birmingham, Birmingham, UK
| | - Georgina Ireland
- Immunisation Department, UK Health Security Agency, 61 Colindale Avenue, London, UK
| | - Christopher Bentley
- Institute of Immunology & Immunotherapy, College of Medical and Dental Sciences, University of Birmingham, Birmingham, UK
| | - Panagiota Sylla
- Institute of Immunology & Immunotherapy, College of Medical and Dental Sciences, University of Birmingham, Birmingham, UK
| | - Jianmin Zuo
- Institute of Immunology & Immunotherapy, College of Medical and Dental Sciences, University of Birmingham, Birmingham, UK
| | - Sam Scott
- MRC-University of Glasgow Centre for Virus Research, Glasgow, UK
| | - Azar Jadir
- Institute of Immunology & Immunotherapy, College of Medical and Dental Sciences, University of Birmingham, Birmingham, UK
| | - Jusnara Begum
- Institute of Immunology & Immunotherapy, College of Medical and Dental Sciences, University of Birmingham, Birmingham, UK
| | - Thomas Roberts
- Institute of Immunology & Immunotherapy, College of Medical and Dental Sciences, University of Birmingham, Birmingham, UK
| | - Christine Stephens
- Institute of Immunology & Immunotherapy, College of Medical and Dental Sciences, University of Birmingham, Birmingham, UK
| | - Shabana Ditta
- Bradford Institute for Health Research, Bradford Teaching Hospitals NHS Foundation Trust, Bradford, UK
| | - Rebecca Shepherdson
- Bradford Institute for Health Research, Bradford Teaching Hospitals NHS Foundation Trust, Bradford, UK
| | - Annabel A Powell
- Immunisation Department, UK Health Security Agency, 61 Colindale Avenue, London, UK
| | - Andrew J Brent
- Oxford University Hospitals NHS Foundation Trust, Old Road, Oxford, UK
- University of Oxford, Wellington Square, Oxford, OX1 2JD, UK
| | - Bernadette Brent
- Oxford University Hospitals NHS Foundation Trust, Old Road, Oxford, UK
| | - Frances Baawuah
- Immunisation Department, UK Health Security Agency, 61 Colindale Avenue, London, UK
| | - Ifeanyichukwu Okike
- Immunisation Department, UK Health Security Agency, 61 Colindale Avenue, London, UK
- University Hospitals of Derby and Burton NHS Foundation Trust, Uttoxeter New Road, Derby, UK
| | - Joanne Beckmann
- East London NHS Foundation Trust, 9 Allie Street, London, UK
| | - Shazaad Ahmad
- Manchester University NHS Foundation Trust, Oxford Road, Manchester, UK
| | - Felicity Aiano
- Immunisation Department, UK Health Security Agency, 61 Colindale Avenue, London, UK
| | - Joanna Garstang
- Birmingham Community Healthcare NHS Trust, Holt Street, Aston, UK
| | - Mary E Ramsay
- Immunisation Department, UK Health Security Agency, 61 Colindale Avenue, London, UK
| | - Rafaq Azad
- Bradford Institute for Health Research, Bradford Teaching Hospitals NHS Foundation Trust, Bradford, UK
| | - Dagmar Waiblinger
- Bradford Institute for Health Research, Bradford Teaching Hospitals NHS Foundation Trust, Bradford, UK
| | - Brian Willett
- MRC-University of Glasgow Centre for Virus Research, Glasgow, UK
| | - John Wright
- Bradford Institute for Health Research, Bradford Teaching Hospitals NHS Foundation Trust, Bradford, UK
| | - Shamez N Ladhani
- Immunisation Department, UK Health Security Agency, 61 Colindale Avenue, London, UK.
| | - Paul Moss
- Institute of Immunology & Immunotherapy, College of Medical and Dental Sciences, University of Birmingham, Birmingham, UK.
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26
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Adeniyi OV, Durojaiye OC, Masilela C. Persistence of SARS-CoV-2 IgG Antibody Response among South African Adults: A Prospective Cohort Study. Vaccines (Basel) 2023; 11:1068. [PMID: 37376457 DOI: 10.3390/vaccines11061068] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2023] [Revised: 05/27/2023] [Accepted: 06/02/2023] [Indexed: 06/29/2023] Open
Abstract
This study assesses the durability of severe acute respiratory coronavirus-2 (SARS-CoV-2) anti-nucleocapsid (anti-N) immunoglobulin G (IgG) after infection and examines its association with established risk factors among South African healthcare workers (HCWs). Blood samples were obtained from 390 HCWs with diagnosis of coronavirus disease 2019 (COVID-19) for assay of the SARS-CoV-2 anti-N IgG at two time points (Phase 1 and 2) between November 2020 and February 2021. Out of 390 HCWs with a COVID-19 diagnosis, 267 (68.5%) had detectable SARS-CoV-2 anti-N IgG antibodies at the end of Phase I. These antibodies persisted for 4-5 and 6-7 months in 76.4% and 16.1%, respectively. In the multivariate logistic regression model analysis, Black participants were more likely to sustain SARS-CoV-2 anti-N IgG for 4-5 months. However, participants who were HIV positive were less likely to sustain SARS-CoV-2 anti-N IgG antibodies for 4-5 months. In addition, individuals who were <45 years of age were more likely to sustain SARS-CoV-2 anti-N IgG for 6-7 months. Of the 202 HCWs selected for Phase 2, 116 participants (57.4%) had persistent SARS-CoV-2 anti-N IgG for an extended mean period of 223 days (7.5 months). Findings support the longevity of vaccine responses against SARS-CoV-2 in Black Africans.
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Affiliation(s)
- Oladele Vincent Adeniyi
- Department of Family Medicine, Cecilia Makiwane Hospital/Walter Sisulu University, East London 5200, South Africa
| | - Oyewole Christopher Durojaiye
- Department of Infection and Tropical Medicine, Royal Hallamshire Hospital, Sheffield Teaching Hospitals NHS Foundation Trust, Sheffield S10 2JF, UK
| | - Charity Masilela
- Department of Biochemistry, North-West University, Mahikeng 2745, South Africa
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27
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Hajilooi M, Keramat F, Moazenian A, Rastegari-Pouyani M, Solgi G. The quantity and quality of anti-SARS-CoV-2 antibodies show contrariwise association with COVID-19 severity: lessons learned from IgG avidity. Med Microbiol Immunol 2023; 212:203-220. [PMID: 37103583 PMCID: PMC10133916 DOI: 10.1007/s00430-023-00763-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2022] [Accepted: 04/07/2023] [Indexed: 04/28/2023]
Abstract
Gaining more appreciation on the protective/damaging aspects of anti-SARS-CoV-2 immunity associated with disease severity is of great importance. This study aimed to evaluate the avidity of serum IgG antibodies against SARS-CoV-2 spike (S) and nucleocapsid (N) in hospitalized symptomatic COVID-19 patients and asymptomatic RT-PCR-confirmed SARS-CoV-2 carriers as well as to compare antibody avidities with respect to vaccination status, vaccination dose and reinfection status. Serum levels of anti-S and anti-N IgG were determined using specific ELISA kits. Antibody avidity was determined by urea dissociation assay and expressed as avidity index (AI) value. Despite higher IgG levels in the symptomatic group, AI values of both anti-S and anti-N IgG were significantly lower in this group compared to asymptomatic individuals. In both groups, anti-S AI values were elevated in one-dose and two-dose vaccinees versus unvaccinated subjects, although significant differences were only detected in the symptomatic group. However, anti-N avidity showed no significant difference between the vaccinated and unvaccinated subgroups. Almost all vaccinated patients of different subgroups (based on vaccine type) had higher anti-S IgG avidity, while the statistical significance was detected only between those receiving Sinopharm compared to the unvaccinated subgroup. Also, statistically significant differences in antibody AIs were only found between primarily infected individuals of the two groups. Our findings indicate a key role for anti-SARS-CoV-2 IgG avidity in protection from symptomatic COVID-19 and calls for the incorporation of antibody avidity measurement into the current diagnostic tests to predict effective immunity toward SARS-CoV-2 infection or even for prognostic purposes.
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Affiliation(s)
- Mehrdad Hajilooi
- Department of Immunology, School of Medicine, Hamadan University of Medical Sciences, Shahid Fahmideh Blvd, Opposite to Lona Park, P.O. Box 6517838736, Hamadan, Iran
| | - Fariba Keramat
- Brucellosis Research Center, Hamadan University of Medical Sciences, Hamadan, Iran
- Department of Infectious Diseases, Faculty of Medicine, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Akram Moazenian
- Department of Immunology, School of Medicine, Hamadan University of Medical Sciences, Shahid Fahmideh Blvd, Opposite to Lona Park, P.O. Box 6517838736, Hamadan, Iran
| | - Mohsen Rastegari-Pouyani
- Department of Immunology, School of Medicine, Hamadan University of Medical Sciences, Shahid Fahmideh Blvd, Opposite to Lona Park, P.O. Box 6517838736, Hamadan, Iran.
- Cancer Research Center, Hamadan University of Medical Sciences, Hamadan, Iran.
| | - Ghasem Solgi
- Department of Immunology, School of Medicine, Hamadan University of Medical Sciences, Shahid Fahmideh Blvd, Opposite to Lona Park, P.O. Box 6517838736, Hamadan, Iran.
- Cancer Research Center, Hamadan University of Medical Sciences, Hamadan, Iran.
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28
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Lawal BJ, Gallagher KE, Kitonsa J, Tindanbil D, Kasonia K, Drammeh A, Lowe B, Mukadi-Bamuleka D, Patterson C, Greenwood B, Samai M, Leigh B, Tetteh KKA, Ruzagira E, Watson-Jones D, Kavunga-Membo H. Prevalence of immunoglobulin G and M to SARS-CoV-2 and other human coronaviruses in The Democratic Republic of Congo, Sierra Leone, and Uganda: A longitudinal study. Int J Infect Dis 2023; 131:183-192. [PMID: 37001799 PMCID: PMC10060023 DOI: 10.1016/j.ijid.2023.03.049] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2023] [Revised: 03/13/2023] [Accepted: 03/24/2023] [Indexed: 03/31/2023] Open
Abstract
OBJECTIVES We assessed the prevalence of immunoglobulin G (IgG) and IgM against four endemic human coronaviruses and two SARS-CoV-2 antigens among vaccinated and unvaccinated staff at health care centers in Uganda, Sierra Leone, and the Democratic Republic of Congo. METHODS The government health facility staff who had patient contact in Goma (Democratic Republic of Congo), Kambia District (Sierra Leone), and Masaka District (Uganda) were enrolled. Questionnaires and blood samples were collected at three time points over 4 months. Blood samples were analyzed with the Luminex MAGPIXⓇ. RESULTS Among unvaccinated participants, the prevalence of IgG/IgM antibodies against SARS-CoV-2 receptor-binding domain or nucleocapsid protein at enrollment was 70% in Goma (138 of 196), 89% in Kambia (112 of 126), and 89% in Masaka (190 of 213). The IgG responses against endemic human coronaviruses at baseline were not associated with SARS-CoV-2 sero-acquisition during follow-up. Among the vaccinated participants, those who had evidence of SARS-CoV-2 IgG/IgM at baseline tended to have higher IgG responses to vaccination than those who were SARS-CoV-2 seronegative at baseline, controlling for the time of sample collection since vaccination. CONCLUSION The high levels of natural immunity and hybrid immunity should be incorporated into both vaccination policies and prediction models of the impact of subsequent waves of infection in these settings.
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Affiliation(s)
| | - Katherine E Gallagher
- London School of Hygiene & Tropical Medicine (LSHTM), London, United Kingdom; KEMRI-Wellcome Trust Research Programme, Kilifi, Kenya.
| | | | - Daniel Tindanbil
- LSHTM-COMAHS Research Partnership, Kambia District, Sierra Leone
| | - Kambale Kasonia
- LSHTM-INRB Research Partnership, Goma, Democratic Republic of the Congo
| | - Abdoulie Drammeh
- LSHTM-COMAHS Research Partnership, Kambia District, Sierra Leone
| | - Brett Lowe
- London School of Hygiene & Tropical Medicine (LSHTM), London, United Kingdom
| | - Daniel Mukadi-Bamuleka
- Laboratoire Rodolphe Merieux-Institute National Research biomedical (INRB), Goma, Democratic Republic of the Congo
| | - Catriona Patterson
- London School of Hygiene & Tropical Medicine (LSHTM), London, United Kingdom
| | - Brian Greenwood
- London School of Hygiene & Tropical Medicine (LSHTM), London, United Kingdom
| | - Mohamed Samai
- University of Sierra Leone College of Medicine and Allied Health Sciences (COMAHS), Freetown, Sierra Leone
| | - Bailah Leigh
- University of Sierra Leone College of Medicine and Allied Health Sciences (COMAHS), Freetown, Sierra Leone
| | - Kevin K A Tetteh
- London School of Hygiene & Tropical Medicine (LSHTM), London, United Kingdom
| | | | - Deborah Watson-Jones
- London School of Hygiene & Tropical Medicine (LSHTM), London, United Kingdom; Mwanza Intervention Trials Unit, National Institute for Medical Research, Mwanza, Tanzania
| | - Hugo Kavunga-Membo
- Laboratoire Rodolphe Merieux-Institute National Research biomedical (INRB), Goma, Democratic Republic of the Congo
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29
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Walker MR, Idorn M, Bennett A, Søgaard M, Salanti A, Ditlev SB, Barfod L. Characterization of SARS-CoV-2 humoral immune response in a subject with unique sampling: A case report. Immun Inflamm Dis 2023; 11:e910. [PMID: 37382252 DOI: 10.1002/iid3.910] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2023] [Revised: 05/23/2023] [Accepted: 05/26/2023] [Indexed: 06/30/2023] Open
Abstract
BACKGROUND The development of vaccine candidates for COVID-19, and the administration of booster vaccines, has meant a significant reduction in COVID-19 related deaths world-wide and the easing of global restrictions. However, new variants of SARS-CoV-2 have emerged with less susceptibility to vaccine induced immunity leading to breakthrough infections among vaccinated people. It is generally acknowledged that immunoglobulins play the major role in immune-protection, primarily through binding to the SARS-COV-2 receptor binding domain (RBD) and thereby inhibiting viral binding to the ACE2 receptor. However, there are limited investigations of anti-RBD isotypes (IgM, IgG, IgA) and IgG subclasses (IgG1-4) over the course of vaccination and breakthrough infection. METHOD In this study, SARS-CoV-2 humoral immunity is examined in a single subject with unique longitudinal sampling. Over a two year period, the subject received three doses of vaccine, had two active breakthrough infections and 22 blood samples collected. Serological testing included anti-nucleocapsid total antibodies, anti-RBD total antibodies, IgG, IgA, IgM and IgG subclasses, neutralization and ACE2 inhibition against the wildtype (WT), Delta and Omicron variants. RESULTS Vaccination and breakthrough infections induced IgG, specifically IgG1 and IgG4 as well as IgM and IgA. IgG1 and IgG4 responses were cross reactive and associated with broad inhibition. CONCLUSION The findings here provide novel insights into humoral immune response characteristics associated with SARS-CoV-2 breakthrough infections.
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Affiliation(s)
- Melanie R Walker
- Department of Immunology and Microbiology, Centre for Medical Parasitology, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Manja Idorn
- Department of Biomedicine, Aarhus University, Aarhus, Denmark
| | - Anja Bennett
- Department of Mammalian Expression, Global Research Technologies, Måløv, Denmark
| | - Max Søgaard
- Expres2ion Biotechnologies, Hørsholm, Denmark
| | - Ali Salanti
- Department of Immunology and Microbiology, Centre for Medical Parasitology, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Sisse B Ditlev
- Copenhagen Center for Translational Research, Bispebjerg Hospital, Copenhagen, Denmark
| | - Lea Barfod
- Department of Immunology and Microbiology, Centre for Medical Parasitology, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
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Mushcab H, Al-Tawfiq JA, Babgi A, Ghamdi M, Amir A, Sheikh SS, Darwisheh A, AlObaid A, Masuadi E, AlFattani A, Qahtani S, Al Sagheir A. Longevity of Immunoglobulin-G Antibody Response Against Nucleocapsid Protein Against SARS-CoV-2 Among Healthcare Workers. Infect Drug Resist 2023; 16:3407-3416. [PMID: 37283943 PMCID: PMC10239621 DOI: 10.2147/idr.s400365] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2022] [Accepted: 04/24/2023] [Indexed: 06/08/2023] Open
Abstract
Background The severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) caused the latest pandemic and the most significant challenge in public health worldwide. Studying the longevity of naturally developed antibodies is highly important clinically and epidemiologically. This paper assesses the longevity of antibodies developed against nucleocapsid protein amongst our health-care workers. Methods This longitudinal cohort study was conducted at a tertiary hospital, Saudi Arabia. Anti-SARSsCoV-2 antibodies were tested among health-care workers at three-point intervals (baseline, eight weeks, and 16 weeks). Results Of the 648 participants, 112 (17.2%) tested positive for Coronavirus (COVID-19) by PCR before the study. Of all participants, 87 (13.4%) tested positive for anti-SARS-CoV-2 antibodies, including 17 (2.6%) participants who never tested positive for COVID-19 using rt-PCR. Out of the 87 positive IgG participants at baseline, only 12 (13.7%) had remained positive for anti-SARS-CoV-2 antibodies by the end of the study. The IgG titer showed a significant reduction in values over time, where the median time for the confirmed positive rt-PCR subgroup from infection to the last positive antibody test was 70 (95% CI: 33.4-106.5) days. Conclusion Health-care workers are at high risk of exposure to the SARS-CoV-2 virus, and contracting an asymptomatic infection is not unlikely. Developing and sustaining natural immunity differs from one person to another, while the rate of positive IgG anti-SARS-CoV-2 wanes over time. Clinicaltrialsgov Identifier NCT04469647, July 14, 2020.
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Affiliation(s)
- Hayat Mushcab
- Research Office, Johns Hopkins Aramco Healthcare, Dhahran, Saudi Arabia
| | - Jaffar A Al-Tawfiq
- Specialty Internal Medicine and Quality and Patient Safety Departments, Johns Hopkins Aramco Healthcare, Dhahran, Saudi Arabia
- Infectious Disease Division, Department of Medicine, Indiana University School of Medicine, IN, Indiana, USA
- Infectious Disease Division, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Amani Babgi
- Nursing Department, Johns Hopkins Aramco Healthcare, Dhahran, Saudi Arabia
| | - Mohammed Ghamdi
- Population Health Department, Johns Hopkins Aramco Healthcare, Dhahran, Saudi Arabia
| | - Abdulrazack Amir
- Office of Academic Affairs, Johns Hopkins Aramco Healthcare, Dhahran, Saudi Arabia
| | - Salwa S Sheikh
- Pathology Department, Johns Hopkins Aramco Healthcare, Dhahran, Saudi Arabia
| | - Adel Darwisheh
- Laboratory Services Department, Johns Hopkins Aramco Healthcare, Dhahran, Saudi Arabia
| | - Abrar AlObaid
- Laboratory Services Department, Johns Hopkins Aramco Healthcare, Dhahran, Saudi Arabia
| | - Emad Masuadi
- Medical Education Department, College of Medicine, King Saud bin Abdulaziz University for Health Sciences, Riyadh, Saudi Arabia
| | - Areej AlFattani
- Biostatistics and Epidemiology Department, King Faisal Specialist Hospital and Research Center, Riyadh, Saudi Arabia
| | - Saeed Qahtani
- Wellness Institute, Johns Hopkins Aramco Healthcare, Dhahran, Saudi Arabia
| | - Ahmed Al Sagheir
- Research Office, Johns Hopkins Aramco Healthcare, Dhahran, Saudi Arabia
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Chen C, Liang J, Hu H, Li X, Wang L, Wang Z. Research progress in methods for detecting neutralizing antibodies against SARS-CoV-2. Anal Biochem 2023:115199. [PMID: 37257735 DOI: 10.1016/j.ab.2023.115199] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2023] [Revised: 05/13/2023] [Accepted: 05/27/2023] [Indexed: 06/02/2023]
Abstract
The emergence of SARS-CoV-2 has seriously affected the lives of people worldwide. Clarifying the attenuation rule of SARS-CoV-2 neutralizing antibody (NAb) in vivo is the key to prevent reinfection and recurrence of virus. Currently, the commonly used methods for detecting NAb include virus neutralization tests, pseudovirus neutralization assays, lateral flow immunochromatography and enzyme-linked immunosorbent assays. The detection of NAb not only can be used to evaluate the level of immunity after vaccination or infection but also can provide important theoretical support for virus reinfection, recurrence and vaccine iteration. In this research, the related technologies of SARS-CoV-2 NAb detection were reviewed, aiming to provide better research ideas for SARS-CoV-2 epidemic prevention and control.
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Affiliation(s)
- Chunxia Chen
- Joint National Laboratory for Antibody Drug Engineering, Clinical Laboratory of the First Affiliated Hospital, Henan University, Kaifeng, 475004, China
| | - Jiahui Liang
- Joint National Laboratory for Antibody Drug Engineering, Clinical Laboratory of the First Affiliated Hospital, Henan University, Kaifeng, 475004, China
| | - Hangzhan Hu
- Joint National Laboratory for Antibody Drug Engineering, Clinical Laboratory of the First Affiliated Hospital, Henan University, Kaifeng, 475004, China; Heze Municipal Hospital, Heze, 274000, China
| | - Xiaoquan Li
- Heze Municipal Hospital, Heze, 274000, China
| | - Li Wang
- Department of Clinical Laboratory, The First Affiliated Hospital of Henan University, Kaifeng, 475004, China.
| | - Zhizeng Wang
- Center of Smart Laboratory and Molecular Medicine, School of Medicine, Chongqing University, Chongqing, 400044, China; Joint National Laboratory for Antibody Drug Engineering, Clinical Laboratory of the First Affiliated Hospital, Henan University, Kaifeng, 475004, China.
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32
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Kolehmainen P, Huttunen M, Iakubovskaia A, Maljanen S, Tauriainen S, Yatkin E, Pasternack A, Naves R, Toivonen L, Tähtinen PA, Ivaska L, Lempainen J, Peltola V, Waris M, Kakkola L, Ritvos O, Julkunen I. Coronavirus spike protein-specific antibodies indicate frequent infections and reinfections in infancy and among BNT162b2-vaccinated healthcare workers. Sci Rep 2023; 13:8416. [PMID: 37225867 DOI: 10.1038/s41598-023-35471-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2022] [Accepted: 05/18/2023] [Indexed: 05/26/2023] Open
Abstract
The prevalence of seasonal human coronavirus (HCoV) infections in early childhood and adults has not been well analyzed in longitudinal serological studies. Here we analyzed the changes in HCoV (229E, HKU1, NL63, OC43, MERS, and SARS-CoV-2) spike-specific antibody levels in follow-up serum specimens of 140 children at the age of 1, 2, and 3 years, and of 113 healthcare workers vaccinated for Covid-19 with BNT162b2-vaccine. IgG antibody levels against six recombinant HCoV spike subunit 1 (S1) proteins were measured by enzyme immunoassay. We show that by the age of three years the cumulative seropositivity for seasonal HCoVs increased to 38-81% depending on virus type. BNT162b2 vaccinations increased anti-SARS-CoV-2 S1 antibodies, but no increase in seasonal coronavirus antibodies associated with vaccinations. In healthcare workers (HCWs), during a 1-year follow-up, diagnostic antibody rises were seen in 5, 4 and 14% of the cases against 229E, NL63 and OC43 viruses, respectively, correlating well with the circulating HCoVs. In 6% of the HCWs, a diagnostic antibody rise was seen against S1 of HKU1, however, these rises coincided with anti-OC43 S1 antibody rises. Rabbit and guinea pig immune sera against HCoV S1 proteins indicated immunological cross-reactivity within alpha-CoV (229E and NL63) and beta-CoV (HKU1 and OC43) genera.
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Affiliation(s)
| | - Moona Huttunen
- Institute of Biomedicine, University of Turku, Turku, Finland
| | - Alina Iakubovskaia
- Department of Physiology, Biomedicum, University of Helsinki, Helsinki, Finland
| | - Sari Maljanen
- Institute of Biomedicine, University of Turku, Turku, Finland
| | | | - Emrah Yatkin
- Central Animal Laboratory, University of Turku, Turku, Finland
| | - Arja Pasternack
- Department of Physiology, Biomedicum, University of Helsinki, Helsinki, Finland
| | - Rauno Naves
- Department of Physiology, Biomedicum, University of Helsinki, Helsinki, Finland
| | - Laura Toivonen
- Department of Paediatrics and Adolescent Medicine, Turku University Hospital and University of Turku, Turku, Finland
| | - Paula A Tähtinen
- Department of Paediatrics and Adolescent Medicine, Turku University Hospital and University of Turku, Turku, Finland
| | - Lauri Ivaska
- Department of Paediatrics and Adolescent Medicine, Turku University Hospital and University of Turku, Turku, Finland
- InFLAMES Research Flagship Center, University of Turku, Turku, Finland
| | - Johanna Lempainen
- Institute of Biomedicine, University of Turku, Turku, Finland
- Department of Paediatrics and Adolescent Medicine, Turku University Hospital and University of Turku, Turku, Finland
- Clinical Microbiology, Turku University Hospital, Turku, Finland
| | - Ville Peltola
- Department of Paediatrics and Adolescent Medicine, Turku University Hospital and University of Turku, Turku, Finland
- InFLAMES Research Flagship Center, University of Turku, Turku, Finland
| | - Matti Waris
- Institute of Biomedicine, University of Turku, Turku, Finland
- Clinical Microbiology, Turku University Hospital, Turku, Finland
| | - Laura Kakkola
- Institute of Biomedicine, University of Turku, Turku, Finland
| | - Olli Ritvos
- Department of Physiology, Biomedicum, University of Helsinki, Helsinki, Finland
| | - Ilkka Julkunen
- Institute of Biomedicine, University of Turku, Turku, Finland
- InFLAMES Research Flagship Center, University of Turku, Turku, Finland
- Clinical Microbiology, Turku University Hospital, Turku, Finland
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33
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Garcia-Fogeda I, Besbassi H, Larivière Y, Ogunjimi B, Abrams S, Hens N. Within-host modeling to measure dynamics of antibody responses after natural infection or vaccination: A systematic review. Vaccine 2023:S0264-410X(23)00422-X. [PMID: 37198016 DOI: 10.1016/j.vaccine.2023.04.030] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2022] [Revised: 04/08/2023] [Accepted: 04/10/2023] [Indexed: 05/19/2023]
Abstract
BACKGROUND Within-host models describe the dynamics of immune cells when encountering a pathogen, and how these dynamics can lead to an individual-specific immune response. This systematic review aims to summarize which within-host methodology has been used to study and quantify antibody kinetics after infection or vaccination. In particular, we focus on data-driven and theory-driven mechanistic models. MATERIALS PubMed and Web of Science databases were used to identify eligible papers published until May 2022. Eligible publications included those studying mathematical models that measure antibody kinetics as the primary outcome (ranging from phenomenological to mechanistic models). RESULTS We identified 78 eligible publications, of which 8 relied on an Ordinary Differential Equations (ODEs)-based modelling approach to describe antibody kinetics after vaccination, and 12 studies used such models in the context of humoral immunity induced by natural infection. Mechanistic modeling studies were summarized in terms of type of study, sample size, measurements collected, antibody half-life, compartments and parameters included, inferential or analytical method, and model selection. CONCLUSIONS Despite the importance of investigating antibody kinetics and underlying mechanisms of (waning of) the humoral immunity, few publications explicitly account for this in a mathematical model. In particular, most research focuses on phenomenological rather than mechanistic models. The limited information on the age groups or other risk factors that might impact antibody kinetics, as well as a lack of experimental or observational data remain important concerns regarding the interpretation of mathematical modeling results. We reviewed the similarities between the kinetics following vaccination and infection, emphasising that it may be worth translating some features from one setting to another. However, we also stress that some biological mechanisms need to be distinguished. We found that data-driven mechanistic models tend to be more simplistic, and theory-driven approaches lack representative data to validate model results.
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Affiliation(s)
- Irene Garcia-Fogeda
- Centre for Health Economics Research and Modelling Infectious Diseases (CHERMID), Vaccine & Infectious Diseases Institute (VAXINFECTIO), University of Antwerp, Antwerp, Belgium.
| | - Hajar Besbassi
- Centre for Health Economics Research and Modelling Infectious Diseases (CHERMID), Vaccine & Infectious Diseases Institute (VAXINFECTIO), University of Antwerp, Antwerp, Belgium
| | - Ynke Larivière
- Global Health Institute (GHI), Family Medicine and Population Health (FAMPOP), University of Antwerp, Antwerp, Belgium; Centre for the Evaluation of Vaccination, Vaccine & Infectious Diseases Institute (VAXINFECTIO), University of Antwerp, Antwerp, Belgium
| | - Benson Ogunjimi
- Centre for Health Economics Research and Modelling Infectious Diseases (CHERMID), Vaccine & Infectious Diseases Institute (VAXINFECTIO), University of Antwerp, Antwerp, Belgium; Antwerp Unit for Data Analysis and Computation in Immunology and Sequencing (AUDACIS), Antwerp, Belgium; Antwerp Center for Translational Immunology and Virology (ACTIV), Vaccine & Infectious Diseases Institute (VAXINFECTIO), University of Antwerp, Antwerp, Belgium; Department of Paediatrics, University Hospital Antwerp, Antwerp, Belgium
| | - Steven Abrams
- Global Health Institute (GHI), Family Medicine and Population Health (FAMPOP), University of Antwerp, Antwerp, Belgium; Data Science Institute (DSI), Interuniversity Institute for Biostatistics and statistical Bioinformatics (I-BioStat), UHasselt, Hasselt, Belgium
| | - Niel Hens
- Centre for Health Economics Research and Modelling Infectious Diseases (CHERMID), Vaccine & Infectious Diseases Institute (VAXINFECTIO), University of Antwerp, Antwerp, Belgium; Data Science Institute (DSI), Interuniversity Institute for Biostatistics and statistical Bioinformatics (I-BioStat), UHasselt, Hasselt, Belgium
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Fabiani M, Margiotti K, Monaco F, Viola A, Cima A, Mesoraca A, Giorlandino C. Dynamics of SARS-CoV-2-Specific B Cell Memory Responses in Infected and Vaccinated Individuals. Viral Immunol 2023. [PMID: 37140898 DOI: 10.1089/vim.2022.0197] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/05/2023] Open
Abstract
Coronavirus disease 2019 (COVID-19), caused by the novel severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), rapidly resulted in a pandemic constituting a global health emergency. As an indicator of long-term immune protection from reinfection with the SARS-CoV-2 virus, the presence of memory B cells (MBCs) should be evaluated. Since the beginning of COVID-19 pandemic, several variants of concerns have been detected, including Alpha (B.1.1.7), Beta (B.1.351), Gamma (P.1/B.1.1.28.1), Delta (B.1.617.2), and Omicron (BA.1) variants with several different mutations, causing serious concern regarding the increased frequency of reinfection, and limiting the effectiveness of the vaccine response. At this regard, we investigated SARS-CoV-2-specific cellular immune responses in four different cohorts: COVID-19, COVID-19 infected and vaccinated, vaccinated, and negative subjects. We found that MBC response to SARS-CoV-2 at more than 11 months postinfection was higher in the peripheral blood of all COVID-19 infected and vaccinated subjects respect to all the other groups. Moreover, to better characterize the differences of SARS-CoV-2 variants immune responses, we genotyped SARS-CoV-2-positive samples from the patients' cohort. We found a higher level of immunoglobulin M+ (IgM+) and IgG+ spike MBCs in SARS-CoV-2-positive patients (5-8 months after symptoms onset) infected with the SARS-CoV-2-Delta variant compared with the SARS-CoV-2-Omicron variant implying a higher immune memory response. Our findings showed that MBCs persist more than 11 months after primary infection indicating a different involvement of the immune system according to the different SARS-CoV-2 variant that infected the host.
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Affiliation(s)
| | | | | | | | | | | | - Claudio Giorlandino
- Human Genetics Lab, Altamedica, Rome, Italy
- Department of Prenatal Diagnosis, Fetal-Maternal Medical Centre, Altamedica, Rome, Italy
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35
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Kenny G, Townsend L, Savinelli S, Mallon PWG. Long COVID: Clinical characteristics, proposed pathogenesis and potential therapeutic targets. Front Mol Biosci 2023; 10:1157651. [PMID: 37179568 PMCID: PMC10171433 DOI: 10.3389/fmolb.2023.1157651] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2023] [Accepted: 04/04/2023] [Indexed: 05/15/2023] Open
Abstract
The emergence of persistent ill-health in the aftermath of SARS-CoV-2 infection has presented significant challenges to patients, healthcare workers and researchers. Termed long COVID, or post-acute sequelae of COVID-19 (PASC), the symptoms of this condition are highly variable and span multiple body systems. The underlying pathophysiology remains poorly understood, with no therapeutic agents proven to be effective. This narrative review describes predominant clinical features and phenotypes of long COVID alongside the data supporting potential pathogenesis of these phenotypes including ongoing immune dysregulation, viral persistence, endotheliopathy, gastrointestinal microbiome disturbance, autoimmunity, and dysautonomia. Finally, we describe current potential therapies under investigation, as well as future potential therapeutic options based on the proposed pathogenesis research.
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Affiliation(s)
- Grace Kenny
- Centre for Experimental Pathogen Host Research, University College Dublin, Dublin, Ireland
- Department of Infectious Diseases, St Vincent’s University Hospital, Dublin, Ireland
| | - Liam Townsend
- Department of Infectious Diseases, St Vincent’s University Hospital, Dublin, Ireland
| | - Stefano Savinelli
- Centre for Experimental Pathogen Host Research, University College Dublin, Dublin, Ireland
- Department of Infectious Diseases, St Vincent’s University Hospital, Dublin, Ireland
| | - Patrick W. G. Mallon
- Centre for Experimental Pathogen Host Research, University College Dublin, Dublin, Ireland
- Department of Infectious Diseases, St Vincent’s University Hospital, Dublin, Ireland
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36
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Brown VR, Miller RS, Bowden CF, Smyser TJ, Ledesma NA, Hartwig A, Gordy P, Anderson AM, Porter SM, Alexander K, Gouker Z, Gidlewski T, Bowen RA, Bosco-Lauth AM. Disease Progression and Serological Assay Performance in Heritage Breed Pigs following Brucella suis Experimental Challenge as a Model for Naturally Infected Feral Swine. Pathogens 2023; 12:pathogens12050638. [PMID: 37242308 DOI: 10.3390/pathogens12050638] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2023] [Revised: 04/19/2023] [Accepted: 04/20/2023] [Indexed: 05/28/2023] Open
Abstract
Invasive feral swine (Sus scrofa) are one of the most important wildlife species for disease surveillance in the United States, serving as a reservoir for various diseases of concern for the health of humans and domestic animals. Brucella suis, the causative agent of swine brucellosis, is one such pathogen carried and transmitted by feral swine. Serology assays are the preferred field diagnostic for B. suis infection, as whole blood can be readily collected and antibodies are highly stable. However, serological assays frequently have lower sensitivity and specificity, and few studies have validated serological assays for B. suis in feral swine. We conducted an experimental infection of Ossabaw Island Hogs (a breed re-domesticated from feral animals) as a disease-free proxy for feral swine to (1) improve understanding of bacterial dissemination and antibody response following B. suis infection and (2) evaluate potential changes in the performance of serological diagnostic assays over the course of infection. Animals were inoculated with B. suis and serially euthanized across a 16-week period, with samples collected at the time of euthanasia. The 8% card agglutination test performed best, whereas the fluorescence polarization assay demonstrated no capacity to differentiate true positive from true negative animals. From a disease surveillance perspective, using the 8% card agglutination test in parallel with either the buffered acidified plate antigen test or the Brucella abortus/suis complement fixation test provided the best performance with the highest probability of a positive assay result. Application of these combinations of diagnostic assays for B. suis surveillance among feral swine would improve understanding of spillover risks at the national level.
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Affiliation(s)
- Vienna R Brown
- National Feral Swine Damage Management Program, USDA APHIS Wildlife Services, Fort Collins, CO 80521, USA
| | - Ryan S Miller
- Centers for Epidemiology and Animal Health, USDA APHIS Veterinary Services, Fort Collins, CO 80521, USA
| | - Courtney F Bowden
- National Wildlife Research Center, USDA APHIS Wildlife Services, Fort Collins, CO 80521, USA
| | - Timothy J Smyser
- National Wildlife Research Center, USDA APHIS Wildlife Services, Fort Collins, CO 80521, USA
| | - Nicholas A Ledesma
- National Veterinary Services Laboratories, USDA APHIS Veterinary Services, Ames, IA 50010, USA
| | - Airn Hartwig
- Department of Biomedical Sciences, Colorado State University, Fort Collins, CO 80521, USA
| | - Paul Gordy
- Department of Biomedical Sciences, Colorado State University, Fort Collins, CO 80521, USA
| | - Aaron M Anderson
- National Wildlife Research Center, USDA APHIS Wildlife Services, Fort Collins, CO 80521, USA
| | - Stephanie M Porter
- Department of Biomedical Sciences, Colorado State University, Fort Collins, CO 80521, USA
| | - Kate Alexander
- Department of Biomedical Sciences, Colorado State University, Fort Collins, CO 80521, USA
| | - Zane Gouker
- Department of Biomedical Sciences, Colorado State University, Fort Collins, CO 80521, USA
| | - Thomas Gidlewski
- National Wildlife Disease Program, USDA APHIS Wildlife Services, Fort Collins, CO 80521, USA
| | - Richard A Bowen
- Department of Biomedical Sciences, Colorado State University, Fort Collins, CO 80521, USA
| | - Angela M Bosco-Lauth
- Department of Biomedical Sciences, Colorado State University, Fort Collins, CO 80521, USA
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Spicuzza L, Campagna D, Di Maria C, Sciacca E, Mancuso S, Vancheri C, Sambataro G. An update on lateral flow immunoassay for the rapid detection of SARS-CoV-2 antibodies. AIMS Microbiol 2023; 9:375-401. [PMID: 37091823 PMCID: PMC10113162 DOI: 10.3934/microbiol.2023020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2022] [Revised: 03/31/2023] [Accepted: 04/04/2023] [Indexed: 04/25/2023] Open
Abstract
Over the last three years, after the outbreak of the COVID-19 pandemic, an unprecedented number of novel diagnostic tests have been developed. Assays to evaluate the immune response to SARS-CoV-2 have been widely considered as part of the control strategy. The lateral flow immunoassay (LFIA), to detect both IgM and IgG against SARS-CoV-2, has been widely studied as a point-of-care (POC) test. Compared to laboratory tests, LFIAs are faster, cheaper and user-friendly, thus available also in areas with low economic resources. Soon after the onset of the pandemic, numerous kits for rapid antibody detection were put on the market with an emergency use authorization. However, since then, scientists have tried to better define the accuracy of these tests and their usefulness in different contexts. In fact, while during the first phase of the pandemic LFIAs for antibody detection were auxiliary to molecular tests for the diagnosis of COVID-19, successively these tests became a tool of seroprevalence surveillance to address infection control policies. When in 2021 a massive vaccination campaign was implemented worldwide, the interest in LFIA reemerged due to the need to establish the extent and the longevity of immunization in the vaccinated population and to establish priorities to guide health policies in low-income countries with limited access to vaccines. Here, we summarize the accuracy, the advantages and limits of LFIAs as POC tests for antibody detection, highlighting the efforts that have been made to improve this technology over the last few years.
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Affiliation(s)
- Lucia Spicuzza
- Department of Clinical and Experimental Medicine, University of Catania, Catania, Italy
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38
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Lauretani F, Salvi M, Zucchini I, Testa C, Cattabiani C, Arisi A, Maggio M. Relationship between Vitamin D and Immunity in Older People with COVID-19. Int J Environ Res Public Health 2023; 20:ijerph20085432. [PMID: 37107714 PMCID: PMC10138672 DOI: 10.3390/ijerph20085432] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/30/2022] [Revised: 03/07/2023] [Accepted: 03/15/2023] [Indexed: 05/11/2023]
Abstract
Vitamin D is a group of lipophilic hormones with pleiotropic actions. It has been traditionally related to bone metabolism, although several studies in the last decade have suggested its role in sarcopenia, cardiovascular and neurological diseases, insulin-resistance and diabetes, malignancies, and autoimmune diseases and infections. In the pandemic era, by considering the response of the different branches of the immune system to SARS-CoV-2 infection, our aims are both to analyse, among the pleiotropic effects of vitamin D, how its strong multimodal modulatory effect on the immune system is able to affect the pathophysiology of COVID-19 disease and to emphasise a possible relationship between the well-known circannual fluctuations in blood levels of this hormone and the epidemiological trend of this infection, particularly in the elderly population. The biologically active form of vitamin D, or calcitriol, can influence both the innate and the adaptive arm of the immune response. Calcifediol levels have been found to be inversely correlated with upper respiratory tract infections in several studies, and this activity seems to be related to its role in the innate immunity. Cathelicidin is one of the main underlying mechanisms since this peptide increases the phagocytic and germicidal activity acting as chemoattractant for neutrophils and monocytes, and representing the first barrier in the respiratory epithelium to pathogenic invasion. Furthermore, vitamin D exerts a predominantly inhibitory action on the adaptive immune response, and it influences either cell-mediated or humoral immunity through suppression of B cells proliferation, immunoglobulins production or plasma cells differentiation. This role is played by promoting the shift from a type 1 to a type 2 immune response. In particular, the suppression of Th1 response is due to the inhibition of T cells proliferation, pro-inflammatory cytokines production (e.g., INF-γ, TNF-α, IL-2, IL-17) and macrophage activation. Finally, T cells also play a fundamental role in viral infectious diseases. CD4 T cells provide support to B cells antibodies production and coordinate the activity of the other immunological cells; moreover, CD8 T lymphocytes remove infected cells and reduce viral load. For all these reasons, calcifediol could have a protective role in the lung damage produced by COVID-19 by both modulating the sensitivity of tissue to angiotensin II and promoting overexpression of ACE-2. Promising results for the potential effectiveness of vitamin D supplementation in reducing the severity of COVID-19 disease was demonstrated in a pilot clinical trial of 76 hospitalised patients with SARS-CoV-2 infection where oral calcifediol administration reduced the need for ICU treatment. These interesting results need to be confirmed in larger studies with available information on vitamin D serum levels.
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Affiliation(s)
- Fulvio Lauretani
- Department of Medicine and Surgery, University of Parma, 43121 Parma, Italy
- Cognitive and Motor Center, Medicine and Geriatric-Rehabilitation Department of Parma, University-Hospital of Parma, 43126 Parma, Italy
- Correspondence: ; Tel.: +39-0521-703325
| | - Marco Salvi
- Department of Medicine and Surgery, University of Parma, 43121 Parma, Italy
- Cognitive and Motor Center, Medicine and Geriatric-Rehabilitation Department of Parma, University-Hospital of Parma, 43126 Parma, Italy
| | - Irene Zucchini
- Department of Medicine and Surgery, University of Parma, 43121 Parma, Italy
- Cognitive and Motor Center, Medicine and Geriatric-Rehabilitation Department of Parma, University-Hospital of Parma, 43126 Parma, Italy
| | - Crescenzo Testa
- Department of Medicine and Surgery, University of Parma, 43121 Parma, Italy
- Cognitive and Motor Center, Medicine and Geriatric-Rehabilitation Department of Parma, University-Hospital of Parma, 43126 Parma, Italy
| | - Chiara Cattabiani
- Department of Medicine and Surgery, University of Parma, 43121 Parma, Italy
- Cognitive and Motor Center, Medicine and Geriatric-Rehabilitation Department of Parma, University-Hospital of Parma, 43126 Parma, Italy
| | - Arianna Arisi
- Department of Medicine and Surgery, University of Parma, 43121 Parma, Italy
| | - Marcello Maggio
- Department of Medicine and Surgery, University of Parma, 43121 Parma, Italy
- Cognitive and Motor Center, Medicine and Geriatric-Rehabilitation Department of Parma, University-Hospital of Parma, 43126 Parma, Italy
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Amanat F, Clark J, Carreño JM, Strohmeier S, Yellin T, Meade PS, Bhavsar D, Muramatsu H, Sun W, Coughlan L, Pardi N, Krammer F. Immunity to Seasonal Coronavirus Spike Proteins Does Not Protect from SARS-CoV-2 Challenge in a Mouse Model but Has No Detrimental Effect on Protection Mediated by COVID-19 mRNA Vaccination. J Virol 2023; 97:e0166422. [PMID: 36779758 PMCID: PMC10062180 DOI: 10.1128/jvi.01664-22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2022] [Accepted: 01/14/2023] [Indexed: 02/14/2023] Open
Abstract
Seasonal coronaviruses have been circulating widely in the human population for many years. With increasing age, humans are more likely to have been exposed to these viruses and to have developed immunity against them. It has been hypothesized that this immunity to seasonal coronaviruses may provide partial protection against infection with severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) and it has also been shown that coronavirus disease 2019 (COVID-19) vaccination induces a back-boosting effects against the spike proteins of seasonal betacoronaviruses. In this study, we tested if immunity to the seasonal coronavirus spikes from OC43, HKU1, 229E, or NL63 would confer protection against SARS-CoV-2 challenge in a mouse model, and whether pre-existing immunity against these spikes would weaken the protection afforded by mRNA COVID-19 vaccination. We found that mice vaccinated with the seasonal coronavirus spike proteins had no increased protection compared to the negative controls. While a negligible back-boosting effect against betacoronavirus spike proteins was observed after SARS-CoV-2 infection, there was no negative original antigenic sin-like effect on the immune response and protection induced by SARS-CoV-2 mRNA vaccination in animals with pre-existing immunity to seasonal coronavirus spike proteins. IMPORTANCE The impact that immunity against seasonal coronaviruses has on both susceptibility to SARS-CoV-2 infection as well as on COVID-19 vaccination is unclear. This study provides insights into both questions in a mouse model of SARS-CoV-2.
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Affiliation(s)
- Fatima Amanat
- Department of Microbiology, Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | - Jordan Clark
- Department of Microbiology, Icahn School of Medicine at Mount Sinai, New York, New York, USA
- Center for Vaccine Research and Pandemic Preparedness (C-VaRPP), Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | - Juan Manuel Carreño
- Department of Microbiology, Icahn School of Medicine at Mount Sinai, New York, New York, USA
- Center for Vaccine Research and Pandemic Preparedness (C-VaRPP), Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | - Shirin Strohmeier
- Department of Microbiology, Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | - Temima Yellin
- Department of Microbiology, Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | - Philip S. Meade
- Department of Microbiology, Icahn School of Medicine at Mount Sinai, New York, New York, USA
- Center for Vaccine Research and Pandemic Preparedness (C-VaRPP), Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | - Disha Bhavsar
- Department of Microbiology, Icahn School of Medicine at Mount Sinai, New York, New York, USA
- Center for Vaccine Research and Pandemic Preparedness (C-VaRPP), Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | - Hiromi Muramatsu
- Department of Microbiology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Weina Sun
- Department of Microbiology, Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | - Lynda Coughlan
- Department of Microbiology and Immunology, University of Maryland School of Medicine, Baltimore, Maryland, USA
- Center for Vaccine Development and Global Health (CVD), University of Maryland School of Medicine, Baltimore, Maryland, USA
| | - Norbert Pardi
- Department of Microbiology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Florian Krammer
- Department of Microbiology, Icahn School of Medicine at Mount Sinai, New York, New York, USA
- Center for Vaccine Research and Pandemic Preparedness (C-VaRPP), Icahn School of Medicine at Mount Sinai, New York, New York, USA
- Department of Pathology, Molecular and Cell Based Medicine, Icahn School of Medicine at Mount Sinai, New York, New York, USA
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Jankovics I, Müller C, Gönczöl É, Visontai I, Varga I, Lőrincz M, Kuti D, Hasitz Á, Malik P, Ursu K, Bányász B, Sarkadi J, Dénes B. Asymptomatic and Mild SARS-CoV-2 Infections in a Hungarian Outpatient Cohort in the First Year of the COVID-19 Pandemic. Trop Med Infect Dis 2023; 8:tropicalmed8040204. [PMID: 37104330 PMCID: PMC10146718 DOI: 10.3390/tropicalmed8040204] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2022] [Revised: 03/14/2023] [Accepted: 03/25/2023] [Indexed: 04/28/2023] Open
Abstract
We aimed to estimate the proportion of the population infected with SARS-CoV-2 in the first year of the pandemic. The study population consisted of outpatient adults with mild or no COVID-19 symptoms and was divided into subpopulations with different levels of exposure. Among the subpopulation without known previous COVID-19 contacts, 4143 patients were investigated. Of the subpopulation with known COVID-19 contacts, 594 patients were investigated. IgG- and IgA-seroprevalence and RT-PCR positivity were determined in context with COVID-19 symptoms. Our results suggested no significant age-related differences between participants for IgG positivity but indicated that COVID-19 symptoms occurred most frequently in people aged between 20 and 29 years. Depending on the study population, 23.4-74.0% PCR-positive people (who were symptomless SARS-CoV-2 carriers at the time of the investigation) were identified. It was also observed that 72.7% of the patients remained seronegative for 30 days or more after their first PCR-positive results. This study hoped to contribute to the scientific understanding of the significance of asymptomatic and mild infections in the long persistence of the pandemic.
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Affiliation(s)
- István Jankovics
- Department of Microbiology and Infectious Diseases, University of Veterinary Medicine Budapest, 1143 Budapest, Hungary
| | - Cecília Müller
- Department of Chief Medical Officer, National Public Health Centre, 1097 Budapest, Hungary
| | - Éva Gönczöl
- Division of Project Coordination, National Public Health Centre, 1097 Budapest, Hungary
| | - Ildikó Visontai
- Division of Project Coordination, National Public Health Centre, 1097 Budapest, Hungary
| | - István Varga
- Division of Project Coordination, National Public Health Centre, 1097 Budapest, Hungary
| | - Márta Lőrincz
- Department of Microbiology and Infectious Diseases, University of Veterinary Medicine Budapest, 1143 Budapest, Hungary
| | - Dávid Kuti
- Division of Virology, Department of Reference Laboratory for Microbiology, National Public Health Center, 1097 Budapest, Hungary
| | - Ágnes Hasitz
- Family Doctor's Office, 2000 Szentendre, Hungary
| | - Péter Malik
- Veterinary Diagnostic Directorate, National Food Chain Safety Office, 1143 Budapest, Hungary
| | - Krisztina Ursu
- Veterinary Diagnostic Directorate, National Food Chain Safety Office, 1143 Budapest, Hungary
| | - Borbála Bányász
- Veterinary Diagnostic Directorate, National Food Chain Safety Office, 1143 Budapest, Hungary
| | - Júlia Sarkadi
- Division of Virology, Department of Reference Laboratory for Microbiology, National Public Health Center, 1097 Budapest, Hungary
| | - Béla Dénes
- Department of Microbiology and Infectious Diseases, University of Veterinary Medicine Budapest, 1143 Budapest, Hungary
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Tworek A, Jaroń K, Cicha M, Rydzewski A, Wierzba W, Zaczyński A, Król Z, Rydzewska G. The persistence of SARS-CoV-2 neutralizing antibodies after COVID-19: A one-year observation. Is a SARS-CoV-2 vaccination booster dose necessary? Cent Eur J Immunol 2023; 48:92-96. [PMID: 37692027 PMCID: PMC10485689 DOI: 10.5114/ceji.2023.126206] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2022] [Accepted: 02/27/2023] [Indexed: 09/12/2023] Open
Abstract
Introduction The aim of this study was to investigate the persistence of SARS-CoV-2 neutralizing antibodies (NAbs) one year after contracting COVID-19. Material and methods The study included 38 patients - 34 men and 4 women - suffering from COVID-19 between March 15 and May 26, 2020. The median age in the group was 31 years, ranging from 22 to 67 years. The levels of neutralizing antibodies were measured at three time-points - baseline, 6 months, and 12 months. The primary endpoint was a post-infection positive result for NAbs (> 15 AU/ml; Liaison SARS-CoV-2 S1/S2 IgG quantitative test) 12 months after infection. Results The median level of NAbs after 12 months was 26.5 AU/ml. At the end of observation (12 months), 21 of the 38 patients had a NAb level of >15 AU/ml (positive). The median antibody half-life was 5.8 months. Conclusions A high percentage of the patients maintained positive levels of antibodies 6 and 12 months after COVID-19 infection. The dynamics of the antibody level decline suggests the need for booster vaccination at least once a year.
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Affiliation(s)
- Adam Tworek
- Clinical Department of Internal Medicine and Gastroenterology with Inflammatory Bowel Disease Unit, Central Clinical Hospital of the Ministry of the Interior and Administration, Warsaw, Poland
| | - Krzysztof Jaroń
- Clinical Department of Internal Medicine and Gastroenterology with Inflammatory Bowel Disease Unit, Central Clinical Hospital of the Ministry of the Interior and Administration, Warsaw, Poland
| | - Małgorzata Cicha
- Diagnostic Laboratory of Central Clinical Hospital of the Ministry of the Interior and Administration, Warsaw, Poland
| | - Andrzej Rydzewski
- Department of Internal Medicine, Nephrology and Transplantation Medicine, Central Clinical Hospital of the Ministry of Interior and Administration, Warsaw, Poland
- Department of Internal Medicine, Nephrology and Transplantation Medicine, Centre of Postgraduate Medical Education, Warsaw, Poland
| | - Waldemar Wierzba
- Central Clinical Hospital of the Ministry of the Interior and Administration, Warsaw, Poland
- University of Humanities and Economics in Łódz, Satellite Campus in Warsaw, Warsaw, Poland
| | - Artur Zaczyński
- Central Clinical Hospital of the Ministry of the Interior and Administration, Warsaw, Poland
| | - Zbigniew Król
- Central Clinical Hospital of the Ministry of the Interior and Administration, Warsaw, Poland
| | - Grażyna Rydzewska
- Clinical Department of Internal Medicine and Gastroenterology with Inflammatory Bowel Disease Unit, Central Clinical Hospital of the Ministry of the Interior and Administration, Warsaw, Poland
- Collegium Medicum, Jan Kochanowski University, Kielce, Poland
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42
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Ramos FF, Bagno FF, Vassallo PF, Oliveira-da-Silva JA, Reis TAR, Bandeira RS, Machado AS, Lage DP, Martins VT, Fernandes AP, Christodoulides M, Ravetti CG, Nobre V, da Fonseca FG, Coelho EAF, Ludolf F. A urine-based ELISA with recombinant non-glycosylated SARS-CoV-2 spike protein for detecting anti-SARS-CoV-2 spike antibodies. Sci Rep 2023; 13:4345. [PMID: 36927952 DOI: 10.1038/s41598-023-31382-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2022] [Accepted: 03/09/2023] [Indexed: 03/18/2023] Open
Abstract
Serological assays have been widely used to detect anti-SARS-CoV-2 antibodies, which are generated from previous exposure to the virus or after vaccination. The presence of anti-SARS-CoV-2 Nucleocapsid antibodies was recently reported in patients´ urine using an in-house urine-based ELISA-platform, allowing a non-invasive way to collect clinical samples and assess immune conversion. In the current study, we evaluated and validated another in-house urine-based ELISA for the detection of anti-SARS-CoV-2 Spike antibodies. Three partial recombinant SARS-CoV-2 Spike proteins comprising the Receptor Binding Domain, expressed in eukaryotic or prokaryotic systems, were tested in an ELISA platform against a panel of over 140 urine and paired serum samples collected from 106 patients confirmed positive for SARS-CoV-2 by qRT-PCR. The key findings from our study were that anti-SARS-CoV-2 Spike antibodies could be detected in urine samples and that the prokaryotic expression of the rSARS-CoV-2 Spike protein was not a barrier to obtain relatively high serology efficiency for the urine-based assay. Thus, use of a urine-based ELISA assay with partial rSARS-CoV-2 Spike proteins, expressed in a prokaryotic system, could be considered as a convenient tool for screening for the presence of anti-SARS-CoV-2 Spike antibodies, and overcome the difficulties arising from sample collection and the need for recombinant proteins produced with eukaryotic expression systems.
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Parker E, Thomas J, Roper KJ, Ijaz S, Edwards T, Marchesin F, Katsanovskaja K, Lett L, Jones C, Hardwick HE, Davis C, Vink E, McDonald SE, Moore SC, Dicks S, Jegatheesan K, Cook NJ, Hope J, Cherepanov P, McClure MO, Baillie JK, Openshaw PJM, Turtle L, Ho A, Semple MG, Paxton WA, Tedder RS, Pollakis G. SARS-CoV-2 antibody responses associate with sex, age and disease severity in previously uninfected people admitted to hospital with COVID-19: An ISARIC4C prospective study. Front Immunol 2023; 14:1146702. [PMID: 37056776 PMCID: PMC10087108 DOI: 10.3389/fimmu.2023.1146702] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2023] [Accepted: 02/27/2023] [Indexed: 03/17/2023] Open
Abstract
The SARS-CoV-2 pandemic enables the analysis of immune responses induced against a novel coronavirus infecting immunologically naïve individuals. This provides an opportunity for analysis of immune responses and associations with age, sex and disease severity. Here we measured an array of solid-phase binding antibody and viral neutralising Ab (nAb) responses in participants (n=337) of the ISARIC4C cohort and characterised their correlation with peak disease severity during acute infection and early convalescence. Overall, the responses in a Double Antigen Binding Assay (DABA) for antibody to the receptor binding domain (anti-RBD) correlated well with IgM as well as IgG responses against viral spike, S1 and nucleocapsid protein (NP) antigens. DABA reactivity also correlated with nAb. As we and others reported previously, there is greater risk of severe disease and death in older men, whilst the sex ratio was found to be equal within each severity grouping in younger people. In older males with severe disease (mean age 68 years), peak antibody levels were found to be delayed by one to two weeks compared with women, and nAb responses were delayed further. Additionally, we demonstrated that solid-phase binding antibody responses reached higher levels in males as measured via DABA and IgM binding against Spike, NP and S1 antigens. In contrast, this was not observed for nAb responses. When measuring SARS-CoV-2 RNA transcripts (as a surrogate for viral shedding) in nasal swabs at recruitment, we saw no significant differences by sex or disease severity status. However, we have shown higher antibody levels associated with low nasal viral RNA indicating a role of antibody responses in controlling viral replication and shedding in the upper airway. In this study, we have shown discernible differences in the humoral immune responses between males and females and these differences associate with age as well as with resultant disease severity.
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Affiliation(s)
- Eleanor Parker
- Department of Infectious Disease, Imperial College London, London, United Kingdom
| | - Jordan Thomas
- National Institute of Health and Care Research (NIHR) Health Protection Research Unit in Emerging and Zoonotic Infections, Department of Clinical Infection, Microbiology and Immunology, Institute of Infection, Veterinary and Ecological Sciences, University of Liverpool, Liverpool, United Kingdom
| | - Kelly J. Roper
- National Institute of Health and Care Research (NIHR) Health Protection Research Unit in Emerging and Zoonotic Infections, Department of Clinical Infection, Microbiology and Immunology, Institute of Infection, Veterinary and Ecological Sciences, University of Liverpool, Liverpool, United Kingdom
| | - Samreen Ijaz
- Blood Borne Virus Unit, Reference Department, UK Health Security Agency, London, United Kingdom
| | - Tansy Edwards
- Medical Research Council (MRC) International Statistics and Epidemiology Group, London School of Hygiene and Tropical Medicine, London, United Kingdom
| | - Federica Marchesin
- Department of Infectious Disease, Imperial College London, London, United Kingdom
| | - Ksenia Katsanovskaja
- Department of Infectious Disease, Imperial College London, London, United Kingdom
| | - Lauren Lett
- National Institute of Health and Care Research (NIHR) Health Protection Research Unit in Emerging and Zoonotic Infections, Department of Clinical Infection, Microbiology and Immunology, Institute of Infection, Veterinary and Ecological Sciences, University of Liverpool, Liverpool, United Kingdom
| | - Christopher Jones
- National Institute of Health and Care Research (NIHR) Health Protection Research Unit in Emerging and Zoonotic Infections, Department of Clinical Infection, Microbiology and Immunology, Institute of Infection, Veterinary and Ecological Sciences, University of Liverpool, Liverpool, United Kingdom
| | - Hayley E. Hardwick
- National Institute of Health and Care Research (NIHR) Health Protection Research Unit in Emerging and Zoonotic Infections, Department of Clinical Infection, Microbiology and Immunology, Institute of Infection, Veterinary and Ecological Sciences, University of Liverpool, Liverpool, United Kingdom
| | - Chris Davis
- Medical Research Council, University of Glasgow Centre for Virus Research, Glasgow, United Kingdom
| | - Elen Vink
- Medical Research Council, University of Glasgow Centre for Virus Research, Glasgow, United Kingdom
| | - Sarah E. McDonald
- Medical Research Council, University of Glasgow Centre for Virus Research, Glasgow, United Kingdom
| | - Shona C. Moore
- National Institute of Health and Care Research (NIHR) Health Protection Research Unit in Emerging and Zoonotic Infections, Department of Clinical Infection, Microbiology and Immunology, Institute of Infection, Veterinary and Ecological Sciences, University of Liverpool, Liverpool, United Kingdom
| | - Steve Dicks
- Blood Borne Virus Unit, Reference Department, UK Health Security Agency, London, United Kingdom
- National Health Service (NHS) Blood and Transplant, London, United Kingdom
| | - Keerthana Jegatheesan
- Blood Borne Virus Unit, Reference Department, UK Health Security Agency, London, United Kingdom
- National Health Service (NHS) Blood and Transplant, London, United Kingdom
| | - Nicola J. Cook
- Chromatin Structure and Mobile DNA Laboratory, The Francis Crick Institute, London, United Kingdom
| | - Joshua Hope
- Chromatin Structure and Mobile DNA Laboratory, The Francis Crick Institute, London, United Kingdom
| | - Peter Cherepanov
- Chromatin Structure and Mobile DNA Laboratory, The Francis Crick Institute, London, United Kingdom
| | - Myra O. McClure
- Department of Infectious Disease, Imperial College London, London, United Kingdom
| | | | | | - Lance Turtle
- National Institute of Health and Care Research (NIHR) Health Protection Research Unit in Emerging and Zoonotic Infections, Department of Clinical Infection, Microbiology and Immunology, Institute of Infection, Veterinary and Ecological Sciences, University of Liverpool, Liverpool, United Kingdom
| | - Antonia Ho
- Medical Research Council, University of Glasgow Centre for Virus Research, Glasgow, United Kingdom
| | - Malcolm G. Semple
- National Institute of Health and Care Research (NIHR) Health Protection Research Unit in Emerging and Zoonotic Infections, Department of Clinical Infection, Microbiology and Immunology, Institute of Infection, Veterinary and Ecological Sciences, University of Liverpool, Liverpool, United Kingdom
| | - William A. Paxton
- National Institute of Health and Care Research (NIHR) Health Protection Research Unit in Emerging and Zoonotic Infections, Department of Clinical Infection, Microbiology and Immunology, Institute of Infection, Veterinary and Ecological Sciences, University of Liverpool, Liverpool, United Kingdom
| | - Richard S. Tedder
- Department of Infectious Disease, Imperial College London, London, United Kingdom
| | - Georgios Pollakis
- National Institute of Health and Care Research (NIHR) Health Protection Research Unit in Emerging and Zoonotic Infections, Department of Clinical Infection, Microbiology and Immunology, Institute of Infection, Veterinary and Ecological Sciences, University of Liverpool, Liverpool, United Kingdom
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Stein C, Nassereldine H, Sorensen RJD, Amlag JO, Bisignano C, Byrne S, Castro E, Coberly K, Collins JK, Dalos J, Daoud F, Deen A, Gakidou E, Giles JR, Hulland EN, Huntley BM, Kinzel KE, Lozano R, Mokdad AH, Pham T, Pigott DM, Reiner Jr. RC, Vos T, Hay SI, Murray CJL, Lim SS. Past SARS-CoV-2 infection protection against re-infection: a systematic review and meta-analysis. Lancet 2023; 401:833-842. [PMID: 36930674 PMCID: PMC9998097 DOI: 10.1016/s0140-6736(22)02465-5] [Citation(s) in RCA: 113] [Impact Index Per Article: 113.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/05/2022] [Revised: 11/18/2022] [Accepted: 11/22/2022] [Indexed: 02/18/2023]
Abstract
BACKGROUND Understanding the level and characteristics of protection from past SARS-CoV-2 infection against subsequent re-infection, symptomatic COVID-19 disease, and severe disease is essential for predicting future potential disease burden, for designing policies that restrict travel or access to venues where there is a high risk of transmission, and for informing choices about when to receive vaccine doses. We aimed to systematically synthesise studies to estimate protection from past infection by variant, and where data allow, by time since infection. METHODS In this systematic review and meta-analysis, we identified, reviewed, and extracted from the scientific literature retrospective and prospective cohort studies and test-negative case-control studies published from inception up to Sept 31, 2022, that estimated the reduction in risk of COVID-19 among individuals with a past SARS-CoV-2 infection in comparison to those without a previous infection. We meta-analysed the effectiveness of past infection by outcome (infection, symptomatic disease, and severe disease), variant, and time since infection. We ran a Bayesian meta-regression to estimate the pooled estimates of protection. Risk-of-bias assessment was evaluated using the National Institutes of Health quality-assessment tools. The systematic review was PRISMA compliant and was registered with PROSPERO (number CRD42022303850). FINDINGS We identified a total of 65 studies from 19 different countries. Our meta-analyses showed that protection from past infection and any symptomatic disease was high for ancestral, alpha, beta, and delta variants, but was substantially lower for the omicron BA.1 variant. Pooled effectiveness against re-infection by the omicron BA.1 variant was 45·3% (95% uncertainty interval [UI] 17·3-76·1) and 44·0% (26·5-65·0) against omicron BA.1 symptomatic disease. Mean pooled effectiveness was greater than 78% against severe disease (hospitalisation and death) for all variants, including omicron BA.1. Protection from re-infection from ancestral, alpha, and delta variants declined over time but remained at 78·6% (49·8-93·6) at 40 weeks. Protection against re-infection by the omicron BA.1 variant declined more rapidly and was estimated at 36·1% (24·4-51·3) at 40 weeks. On the other hand, protection against severe disease remained high for all variants, with 90·2% (69·7-97·5) for ancestral, alpha, and delta variants, and 88·9% (84·7-90·9) for omicron BA.1 at 40 weeks. INTERPRETATION Protection from past infection against re-infection from pre-omicron variants was very high and remained high even after 40 weeks. Protection was substantially lower for the omicron BA.1 variant and declined more rapidly over time than protection against previous variants. Protection from severe disease was high for all variants. The immunity conferred by past infection should be weighed alongside protection from vaccination when assessing future disease burden from COVID-19, providing guidance on when individuals should be vaccinated, and designing policies that mandate vaccination for workers or restrict access, on the basis of immune status, to settings where the risk of transmission is high, such as travel and high-occupancy indoor settings. FUNDING Bill & Melinda Gates Foundation, J Stanton, T Gillespie, and J and E Nordstrom.
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Sieghart D, Hana CA, Haslacher H, Perkmann T, Heinz LX, Fedrizzi C, Anderle K, Wiedermann U, Condur I, Drapalik S, Steinbrecher H, Mrak D, Mucher P, Hasenoehrl T, Zrdavkovic A, Wagner B, Palma S, Jordakieva G, Jorda A, Firbas C, Wagner A, Haiden N, Bergmann F, Crevenna R, Zeitlinger M, Bonelli M, Aletaha D, Radner H. Multiparametric Prediction Models for Coronavirus Disease 2019 Vaccine Selection: Results of a Comparative Population-Based Cohort Study. Clin Infect Dis 2023; 76:816-823. [PMID: 36328594 DOI: 10.1093/cid/ciac840] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2022] [Revised: 10/12/2022] [Accepted: 10/20/2022] [Indexed: 11/06/2022] Open
Abstract
BACKGROUND An understanding vaccine-dependent effects on protective and sustained humoral immune response is crucial to planning future vaccination strategies against coronavirus disease 2019 (COVID-19). METHODS In this multicenter, population-based, cohort study including 4601 individuals after primary vaccination against COVID-19 ≥ 4 months earlier we compared factors associated with residual antibody levels against severe acute respiratory syndrome coronavirus-2 receptor-binding domain (RBD) across different vaccination strategies (BNT162b2, mRNA-1273, or ChAdOx1). RESULTS Our main model including 3787 individuals (2 × BNT162b2, n = 2271; 2 × mRNA-1273, n = 251; 2 × ChAdOx1, n = 1265), predicted significantly lower levels of anti-RBD antibodies after 6 months in individuals vaccinated with ChAdOx1 (392.7 binding antibody units per milliliter [BAU/mL]) compared with those vaccinated with BNT162b2 (1179.5 BAU/mL) or mRNA-1273 (2098.2 BAU/mL). Vaccine-dependent association of antibody levels was found for age with a significant predicted difference in BAU/ml per year for BNT162b2 (-21.5; 95% confidence interval [CI], -24.7 to -18.3) and no significant association for mRNA-1273 (-4.0; 95% CI, -20.0 to 12.1) or ChAdOx1 (1.7; 95% CI, .2 to 3.1). The predicted decrease over time since full immunization was highest in mRNA-1273 (-23.4; 95% CI, -31.4 to -15.4) compared with BNT162b2 (-5.9; 95% CI, -7 to -4.8). CONCLUSIONS Our study revealed population-based evidence of vaccine-dependent effects of age and time since full immunization on humoral immune response. Findings underline the importance of individualized vaccine selection, especially in elderly individuals.
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Affiliation(s)
- Daniela Sieghart
- Department of Internal Medicine III, Division of Rheumatology, Medical University Vienna, Vienna, Austria
| | - Claudia A Hana
- Department of Internal Medicine III, Division of Rheumatology, Medical University Vienna, Vienna, Austria
| | - Helmuth Haslacher
- Department of Laboratory Medicine, Medical University of Vienna, Vienna, Austria
| | - Thomas Perkmann
- Department of Laboratory Medicine, Medical University of Vienna, Vienna, Austria
| | - Leonhard X Heinz
- Department of Internal Medicine III, Division of Rheumatology, Medical University Vienna, Vienna, Austria
| | - Clemens Fedrizzi
- Department of Clinical Pharmacology, Medical University of Vienna, Vienna, Austria
| | - Karolina Anderle
- Department of Clinical Pharmacology, Medical University of Vienna, Vienna, Austria
| | - Ursula Wiedermann
- Center of Pathophysiology, Infectiology & Immunology, Institute of Specific Prophylaxis and Tropical Medicine, Medical University of Vienna, Vienna, Austria
| | - Irina Condur
- Department of Internal Medicine III, Division of Rheumatology, Medical University Vienna, Vienna, Austria
| | | | | | - Daniel Mrak
- Department of Internal Medicine III, Division of Rheumatology, Medical University Vienna, Vienna, Austria
| | - Patrick Mucher
- Department of Laboratory Medicine, Medical University of Vienna, Vienna, Austria
| | - Timothy Hasenoehrl
- Department of Physical Medicine, Rehabilitation and Occupational Medicine, Medical University Vienna, Vienna, Austria
| | - Andrej Zrdavkovic
- Department of Physical Medicine, Rehabilitation and Occupational Medicine, Medical University Vienna, Vienna, Austria
| | - Barbara Wagner
- Department of Physical Medicine, Rehabilitation and Occupational Medicine, Medical University Vienna, Vienna, Austria
| | - Stefano Palma
- Department of Physical Medicine, Rehabilitation and Occupational Medicine, Medical University Vienna, Vienna, Austria
| | - Galateja Jordakieva
- Department of Physical Medicine, Rehabilitation and Occupational Medicine, Medical University Vienna, Vienna, Austria
| | - Anselm Jorda
- Department of Clinical Pharmacology, Medical University of Vienna, Vienna, Austria
| | - Christa Firbas
- Department of Physical Medicine, Rehabilitation and Occupational Medicine, Medical University Vienna, Vienna, Austria
| | - Angelika Wagner
- Center of Pathophysiology, Infectiology & Immunology, Institute of Specific Prophylaxis and Tropical Medicine, Medical University of Vienna, Vienna, Austria
| | - Nadja Haiden
- Department of Clinical Pharmacology, Medical University of Vienna, Vienna, Austria
| | - Felix Bergmann
- Department of Clinical Pharmacology, Medical University of Vienna, Vienna, Austria
| | - Richard Crevenna
- Department of Physical Medicine, Rehabilitation and Occupational Medicine, Medical University Vienna, Vienna, Austria
| | - Markus Zeitlinger
- Department of Clinical Pharmacology, Medical University of Vienna, Vienna, Austria
| | - Michael Bonelli
- Department of Internal Medicine III, Division of Rheumatology, Medical University Vienna, Vienna, Austria
| | - Daniel Aletaha
- Department of Internal Medicine III, Division of Rheumatology, Medical University Vienna, Vienna, Austria
| | - Helga Radner
- Department of Internal Medicine III, Division of Rheumatology, Medical University Vienna, Vienna, Austria
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Denaro M, Ferro E, Barrano G, Meli S, Busacca M, Corallo D, Capici A, Zisa A, Cucuzza L, Gradante S, Occhipinti M, Santalucia P, Elia R, Aliquò A, Tibullo D, Fidone C, Bramanti V. Monitoring of SARS-CoV-2 Infection in Ragusa Area: Next Generation Sequencing and Serological Analysis. Int J Mol Sci 2023; 24. [PMID: 36902172 DOI: 10.3390/ijms24054742] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2023] [Revised: 02/23/2023] [Accepted: 02/24/2023] [Indexed: 03/05/2023] Open
Abstract
The coronavirus disease 19 (COVID-19) post pandemic evolution is correlated to the development of new variants. Viral genomic and immune response monitoring are fundamental to the surveillance of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection. Since 1 January to 31 July 2022, we monitored the SARS-CoV-2 variants trend in Ragusa area sequencing n.600 samples by next generation sequencing (NGS) technology: n.300 were healthcare workers (HCWs) of ASP Ragusa. The evaluation of anti-Nucleocapside (N), receptor-binding domain (RBD), the two subunit of S protein (S1 and S2) IgG levels in 300 exposed vs. 300 unexposed HCWs to SARS-CoV-2 was performed. Differences in immune response and clinical symptoms related to the different variants were investigated. The SARS-CoV-2 variants trend in Ragusa area and in Sicily region were comparable. BA.1 and BA.2 were the most representative variants, whereas the diffusion of BA.3 and BA.4 affected some places of the region. Although no correlation was found between variants and clinical manifestations, anti-N and anti-S2 levels were positively correlated with an increase in the symptoms number. SARS-CoV-2 infection induced a statistically significant enhancement in antibody titers compared to that produced by SARS-CoV-2 vaccine administration. In post-pandemic period, the evaluation of anti-N IgG could be used as an early marker to identify asymptomatic subjects.
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Peeling RW, Sia SK. Lessons from COVID-19 for improving diagnostic access in future pandemics. Lab Chip 2023; 23:1376-1388. [PMID: 36629022 DOI: 10.1039/d2lc00662f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
Throughout the COVID-19 pandemic, we have witnessed the critical and expanding roles of testing. Despite the development of over a thousand brand of tests - with some close to fulfilling the 4As (accuracy, access, affordability, and actionability via quick time to result) of an ideal diagnostic test - gaps persisted in developing tests to fit public health needs, and in providing equitable access. Here, we review how the use cases for testing evolved over the course of the COVID-19 pandemic, with associated engineering challenges (and potential lessons) at each phase for test developers. We summarise lessons learnt from the recent epidemic and propose four areas for future cooperative effort among test developers, government regulators and policy makers, public health experts, and the public: 1) develop new models for public sector funding and research and development; 2) increase testing capacity by investing in adaptable open-platform technologies at every level of the healthcare system; 3) build data connectivity infrastructures to support a connected diagnostic system as a backbone for surveillance; and 4) facilitate the rapid translation of innovation into use through a coordinated framework for regulatory approval and policy development.
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Affiliation(s)
- Rosanna W Peeling
- Department of Clinical Research, London School of Hygiene and Tropical Medicine, Keppel Street, London WC1E 7HT, UK.
| | - Samuel K Sia
- Department of Biomedical Engineering, Columbia University, USA
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48
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Pagheh AS, Ziaee A, Abrari Romenjan K, Rezaei F, Bahman B, Alamzadeh E, Elhamirad S, Ziaee M. SARS-COV-2 IgG specific antibodies persistence in recovered COVID-19 individuals and its association with severity and time of illness. New Microbes New Infect 2023; 52:101096. [PMID: 36776158 DOI: 10.1016/j.nmni.2023.101096] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2022] [Revised: 01/28/2023] [Accepted: 02/02/2023] [Indexed: 02/05/2023] Open
Abstract
In order to accurately interpret the immune response to COVID-19, it is critical to know how long serum antibodies to COVID-2 persist. This study aimed to describe the serum IgG responses to SARS-CoV-2 in patients with mild, moderate, and severe COVID-19 infection in Birjand, South Khorasan province, Iran. The study was performed on individuals whose COVID-19 disease was confirmed by RT-PCR and recovered from the disease. After completing the questionnaire, blood samples were collected from 4 different groups based on the time of the test at two, four, six, and eight months' post-recovery. Then, SARS-COV-2 virus-specific IgG nucleocapsid antibody level in patients was measured using the enzyme-linked immunosorbent assay (ELISA). In total, 206 patients (mean age 44.19 ± 14.9, 51% man) were included in the survey. Serum prevalence of specific IgG antibodies in patients with mild, moderate, and severe COVID-19 disease was 51.5%, 64% and 78.9%, respectively. Furthermore, serum prevalence of COVID-19 specific IgG antibody level in two, four, six, and eight months after recovery were 80.8, 69.1, 43.2 and 41.8%, respectively (p < 0.05). The multiple logistic regression model showed that the variables of age and the time elapsed after recovery had a significant relationship with the positive antibody test of recovered COVID-19 patients (P < 0.05). But other variables had no significant relationship with the result of antibody test (P > 0.05). In the present report, we attempted to characterize the antibody response against SARS-CoV-2 in patients with mild, moderate, and severe COVID-19, with the aim of better elucidating the humoral immune response after recovery from SARS-CoV-2 infection.
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49
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Rosengarten M. Perplexity as a provocation: revisiting the role of metaphor as a 'place holder' for the potential of COVID-19 antibodies. Med Humanit 2023; 49:64-69. [PMID: 35636932 PMCID: PMC9195153 DOI: 10.1136/medhum-2021-012343] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 05/10/2022] [Indexed: 06/15/2023]
Abstract
This article revisits long-standing critiques of the role of metaphor in immunological discourse. Drawing on Alfred North Whitehead's speculative philosophy of organism, I focus on the use of metaphor to explain the process by which COVID-19 vaccine research is able to generate protective antibodies, the challenge of autoimmune disease and dengue fever antibodies. I suggest that metaphors are provoked by the perplexity that arises from presupposing that distinct morphological substances are the first order of reality. I conclude that rather than seeing metaphors as typically skewing conceptions of the body, as has been previously argued, those of memory, recognition and misrecognition may be instructive of a body in transition. Indeed, a process of transition that shows degrees of creativity. When gesturing towards the processual nature of infection and immunity, metaphors invite new modes of shared thinking across the disciplinary divide.
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50
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Wong A, Barrero Guevara LA, Goult E, Briga M, Kramer SC, Kovacevic A, Opatowski L, Domenech de Cellès M. The interactions of SARS-CoV-2 with cocirculating pathogens: Epidemiological implications and current knowledge gaps. PLoS Pathog 2023; 19:e1011167. [PMID: 36888684 PMCID: PMC9994710 DOI: 10.1371/journal.ppat.1011167] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/09/2023] Open
Abstract
Despite the availability of effective vaccines, the persistence of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) suggests that cocirculation with other pathogens and resulting multiepidemics (of, for example, COVID-19 and influenza) may become increasingly frequent. To better forecast and control the risk of such multiepidemics, it is essential to elucidate the potential interactions of SARS-CoV-2 with other pathogens; these interactions, however, remain poorly defined. Here, we aimed to review the current body of evidence about SARS-CoV-2 interactions. Our review is structured in four parts. To study pathogen interactions in a systematic and comprehensive way, we first developed a general framework to capture their major components: sign (either negative for antagonistic interactions or positive for synergistic interactions), strength (i.e., magnitude of the interaction), symmetry (describing whether the interaction depends on the order of infection of interacting pathogens), duration (describing whether the interaction is short-lived or long-lived), and mechanism (e.g., whether interaction modifies susceptibility to infection, transmissibility of infection, or severity of disease). Second, we reviewed the experimental evidence from animal models about SARS-CoV-2 interactions. Of the 14 studies identified, 11 focused on the outcomes of coinfection with nonattenuated influenza A viruses (IAVs), and 3 with other pathogens. The 11 studies on IAV used different designs and animal models (ferrets, hamsters, and mice) but generally demonstrated that coinfection increased disease severity compared with either monoinfection. By contrast, the effect of coinfection on the viral load of either virus was variable and inconsistent across studies. Third, we reviewed the epidemiological evidence about SARS-CoV-2 interactions in human populations. Although numerous studies were identified, only a few were specifically designed to infer interaction, and many were prone to multiple biases, including confounding. Nevertheless, their results suggested that influenza and pneumococcal conjugate vaccinations were associated with a reduced risk of SARS-CoV-2 infection. Finally, fourth, we formulated simple transmission models of SARS-CoV-2 cocirculation with an epidemic viral pathogen or an endemic bacterial pathogen, showing how they can naturally incorporate the proposed framework. More generally, we argue that such models, when designed with an integrative and multidisciplinary perspective, will be invaluable tools to resolve the substantial uncertainties that remain about SARS-CoV-2 interactions.
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Affiliation(s)
- Anabelle Wong
- Infectious Disease Epidemiology group, Max Planck Institute for Infection Biology, Berlin, Germany
- Institute of Public Health, Charité–Universitätsmedizin Berlin, Berlin, Germany
| | - Laura Andrea Barrero Guevara
- Infectious Disease Epidemiology group, Max Planck Institute for Infection Biology, Berlin, Germany
- Institute of Public Health, Charité–Universitätsmedizin Berlin, Berlin, Germany
| | - Elizabeth Goult
- Infectious Disease Epidemiology group, Max Planck Institute for Infection Biology, Berlin, Germany
| | - Michael Briga
- Infectious Disease Epidemiology group, Max Planck Institute for Infection Biology, Berlin, Germany
| | - Sarah C. Kramer
- Infectious Disease Epidemiology group, Max Planck Institute for Infection Biology, Berlin, Germany
| | - Aleksandra Kovacevic
- Epidemiology and Modelling of Antibiotic Evasion, Institut Pasteur, Université Paris Cité, Paris, France
- Anti-infective Evasion and Pharmacoepidemiology Team, CESP, Université Paris-Saclay, Université de Versailles Saint-Quentin-en-Yvelines, INSERM U1018 Montigny-le-Bretonneux, France
| | - Lulla Opatowski
- Epidemiology and Modelling of Antibiotic Evasion, Institut Pasteur, Université Paris Cité, Paris, France
- Anti-infective Evasion and Pharmacoepidemiology Team, CESP, Université Paris-Saclay, Université de Versailles Saint-Quentin-en-Yvelines, INSERM U1018 Montigny-le-Bretonneux, France
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