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Bullock JL, Hickey TE, Kemp TJ, Metz J, Loftus S, Haynesworth K, Castro N, Luke BT, Lowy DR, Pinto LA. Longitudinal Assessment of BNT162b2- and mRNA-1273-Induced Anti-SARS-CoV-2 Spike IgG Levels and Avidity Following Three Doses of Vaccination. Vaccines (Basel) 2024; 12:516. [PMID: 38793767 PMCID: PMC11125776 DOI: 10.3390/vaccines12050516] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2024] [Revised: 04/24/2024] [Accepted: 05/02/2024] [Indexed: 05/26/2024] Open
Abstract
SARS-CoV-2 vaccination-induced protection against infection is likely to be affected by functional antibody features. To understand the kinetics of antibody responses in healthy individuals after primary series and third vaccine doses, sera from the recipients of the two licensed SARS-CoV-2 mRNA vaccines were assessed for circulating anti-SARS-CoV-2 spike IgG levels and avidity for up to 6 months post-primary series and 9 months after the third dose. Following primary series vaccination, anti-SARS-CoV-2 spike IgG levels declined from months 1 to 6, while avidity increased through month 6, irrespective of the vaccine received. The third dose of either vaccine increased anti-SARS-CoV-2 spike IgG levels and avidity and appeared to enhance antibody level persistence-generating a slower rate of decline in the 3 months following the third dose compared to the decline seen after the primary series alone. The third dose of both vaccines induced significant avidity increases 1 month after vaccination compared to the avidity response 6 months post-primary series vaccination (p ≤ 0.001). A significant difference in avidity responses between the two vaccines was observed 6 months post-third dose, where the BNT162b2 recipients had higher antibody avidity levels compared to the mRNA-1273 recipients (p = 0.020).
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Affiliation(s)
- Jimmie L. Bullock
- Vaccine, Immunity and Cancer Directorate, Frederick National Laboratory for Cancer Research, Frederick, MD 21702, USA; (J.L.B.J.); (T.E.H.); (T.J.K.); (J.M.); (S.L.); (K.H.)
| | - Thomas E. Hickey
- Vaccine, Immunity and Cancer Directorate, Frederick National Laboratory for Cancer Research, Frederick, MD 21702, USA; (J.L.B.J.); (T.E.H.); (T.J.K.); (J.M.); (S.L.); (K.H.)
| | - Troy J. Kemp
- Vaccine, Immunity and Cancer Directorate, Frederick National Laboratory for Cancer Research, Frederick, MD 21702, USA; (J.L.B.J.); (T.E.H.); (T.J.K.); (J.M.); (S.L.); (K.H.)
| | - Jordan Metz
- Vaccine, Immunity and Cancer Directorate, Frederick National Laboratory for Cancer Research, Frederick, MD 21702, USA; (J.L.B.J.); (T.E.H.); (T.J.K.); (J.M.); (S.L.); (K.H.)
| | - Sarah Loftus
- Vaccine, Immunity and Cancer Directorate, Frederick National Laboratory for Cancer Research, Frederick, MD 21702, USA; (J.L.B.J.); (T.E.H.); (T.J.K.); (J.M.); (S.L.); (K.H.)
| | - Katarzyna Haynesworth
- Vaccine, Immunity and Cancer Directorate, Frederick National Laboratory for Cancer Research, Frederick, MD 21702, USA; (J.L.B.J.); (T.E.H.); (T.J.K.); (J.M.); (S.L.); (K.H.)
| | - Nicholas Castro
- Vaccine, Immunity and Cancer Directorate, Frederick National Laboratory for Cancer Research, Frederick, MD 21702, USA; (J.L.B.J.); (T.E.H.); (T.J.K.); (J.M.); (S.L.); (K.H.)
| | - Brian T. Luke
- Bioinformatics and Computational Science Directorate, Frederick National Laboratory for Cancer Research, Frederick, MD 21702, USA;
| | - Douglas R. Lowy
- Laboratory of Cellular Oncology, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892, USA;
| | - Ligia A. Pinto
- Vaccine, Immunity and Cancer Directorate, Frederick National Laboratory for Cancer Research, Frederick, MD 21702, USA; (J.L.B.J.); (T.E.H.); (T.J.K.); (J.M.); (S.L.); (K.H.)
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Glemain B, de Lamballerie X, Zins M, Severi G, Touvier M, Deleuze JF, Lapidus N, Carrat F. Estimating SARS-CoV-2 infection probabilities with serological data and a Bayesian mixture model. Sci Rep 2024; 14:9503. [PMID: 38664455 PMCID: PMC11045781 DOI: 10.1038/s41598-024-60060-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2023] [Accepted: 04/18/2024] [Indexed: 04/28/2024] Open
Abstract
The individual results of SARS-CoV-2 serological tests measured after the first pandemic wave of 2020 cannot be directly interpreted as a probability of having been infected. Plus, these results are usually returned as a binary or ternary variable, relying on predefined cut-offs. We propose a Bayesian mixture model to estimate individual infection probabilities, based on 81,797 continuous anti-spike IgG tests from Euroimmun collected in France after the first wave. This approach used serological results as a continuous variable, and was therefore not based on diagnostic cut-offs. Cumulative incidence, which is necessary to compute infection probabilities, was estimated according to age and administrative region. In France, we found that a "negative" or a "positive" test, as classified by the manufacturer, could correspond to a probability of infection as high as 61.8% or as low as 67.7%, respectively. "Indeterminate" tests encompassed probabilities of infection ranging from 10.8 to 96.6%. Our model estimated tailored individual probabilities of SARS-CoV-2 infection based on age, region, and serological result. It can be applied in other contexts, if estimates of cumulative incidence are available.
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Affiliation(s)
- Benjamin Glemain
- Sorbonne Université, Inserm, Institut Pierre-Louis d'épidémiologie et de santé publique, Paris, France.
- Département de santé publique, Hôpital Saint-Antoine, AP-HP. Sorbonne Université, Paris, France.
| | - Xavier de Lamballerie
- Unité des Virus Émergents, UVE, IRD 190, INSERM 1207, IHU Méditerranée Infection, Aix Marseille Univ, Marseille, France
| | - Marie Zins
- Paris University, Paris, France
- Université Paris-Saclay, Université de Paris, UVSQ, Inserm UMS 11, Villejuif, France
| | - Gianluca Severi
- CESP UMR1018, Université Paris-Saclay, UVSQ, Inserm, Gustave Roussy, Villejuif, France
- Department of Statistics, Computer Science and Applications, University of Florence, Florence, Italy
| | - Mathilde Touvier
- Sorbonne Paris Nord University, Inserm U1153, Inrae U1125, Cnam, Nutritional Epidemiology Research Team (EREN), Epidemiology and Statistics Research Center, University of Paris (CRESS), Bobigny, France
| | - Jean-François Deleuze
- Fondation Jean Dausset-CEPH (Centre d'Etude du Polymorphisme Humain), CEPH-Biobank, Paris, France
| | - Nathanaël Lapidus
- Sorbonne Université, Inserm, Institut Pierre-Louis d'épidémiologie et de santé publique, Paris, France
- Département de santé publique, Hôpital Saint-Antoine, AP-HP. Sorbonne Université, Paris, France
| | - Fabrice Carrat
- Sorbonne Université, Inserm, Institut Pierre-Louis d'épidémiologie et de santé publique, Paris, France
- Département de santé publique, Hôpital Saint-Antoine, AP-HP. Sorbonne Université, Paris, France
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3
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Gaultier GN, McMillan B, Poloni C, Lo M, Cai B, Zheng JJ, Baer HM, Shulha HP, Simmons K, Márquez AC, Bartlett SR, Cook L, Levings MK, Steiner T, Sekirov I, Zlosnik JEA, Morshed M, Skowronski DM, Krajden M, Jassem AN, Sadarangani M. Adaptive immune responses to two-dose COVID-19 vaccine series in healthy Canadian adults ≥ 50 years: a prospective, observational cohort study. Sci Rep 2024; 14:8926. [PMID: 38637558 PMCID: PMC11026432 DOI: 10.1038/s41598-024-59535-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2023] [Accepted: 04/11/2024] [Indexed: 04/20/2024] Open
Abstract
To evaluate immune responses to COVID-19 vaccines in adults aged 50 years and older, spike protein (S)-specific antibody concentration, avidity, and function (via angiotensin-converting enzyme 2 (ACE2) inhibition surrogate neutralization and antibody dependent cellular phagocytosis (ADCP)), as well as S-specific T cells were quantified via activation induced marker (AIM) assay in response to two-dose series. Eighty-four adults were vaccinated with either: mRNA/mRNA (mRNA-1273 and/or BNT162b2); ChAdOx1-S/mRNA; or ChAdOx1-S/ChAdOx1-S. Anti-S IgG concentrations, ADCP scores and ACE2 inhibiting antibody concentrations were highest at one-month post-second dose and declined by four-months post-second dose for all groups. mRNA/mRNA and ChAdOx1-S/mRNA schedules had significantly higher antibody responses than ChAdOx1-S/ChAdOx1-S. CD8+ T-cell responses one-month post-second dose were associated with increased ACE2 surrogate neutralization. Antibody avidity (total relative avidity index) did not change between one-month and four-months post-second dose and did not significantly differ between groups by four-months post-second dose. In determining COVID-19 correlates of protection, a measure that considers both antibody concentration and avidity should be considered.
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Affiliation(s)
- Gabrielle N Gaultier
- Department of Pediatrics, University of British Columbia, 950 West 28th Avenue, Vancouver, BC, V5Z 4H4, Canada.
- Vaccine Evaluation Center, British Columbia Children's Hospital Research Institute, Vancouver, BC, Canada.
| | - Brynn McMillan
- Vaccine Evaluation Center, British Columbia Children's Hospital Research Institute, Vancouver, BC, Canada
- Experimental Medicine Program, University of British Columbia, Vancouver, BC, Canada
| | - Chad Poloni
- Department of Microbiology and Immunology, University of British Columbia, Vancouver, BC, Canada
- British Columbia Children's Hospital Research Institute, University of British Columbia, Vancouver, BC, Canada
| | - Mandy Lo
- Department of Pediatrics, University of British Columbia, 950 West 28th Avenue, Vancouver, BC, V5Z 4H4, Canada
- Vaccine Evaluation Center, British Columbia Children's Hospital Research Institute, Vancouver, BC, Canada
| | - Bing Cai
- Department of Pediatrics, University of British Columbia, 950 West 28th Avenue, Vancouver, BC, V5Z 4H4, Canada
- Vaccine Evaluation Center, British Columbia Children's Hospital Research Institute, Vancouver, BC, Canada
| | - Jean J Zheng
- Vaccine Evaluation Center, British Columbia Children's Hospital Research Institute, Vancouver, BC, Canada
- Department of Microbiology and Immunology, University of British Columbia, Vancouver, BC, Canada
| | - Hannah M Baer
- Department of Microbiology and Immunology, University of British Columbia, Vancouver, BC, Canada
- British Columbia Children's Hospital Research Institute, University of British Columbia, Vancouver, BC, Canada
- Institute of Infection, Inflammation & Immunity, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow, UK
| | - Hennady P Shulha
- Department of Pediatrics, University of British Columbia, 950 West 28th Avenue, Vancouver, BC, V5Z 4H4, Canada
- Vaccine Evaluation Center, British Columbia Children's Hospital Research Institute, Vancouver, BC, Canada
| | - Karen Simmons
- Department of Pediatrics, University of British Columbia, 950 West 28th Avenue, Vancouver, BC, V5Z 4H4, Canada
- Vaccine Evaluation Center, British Columbia Children's Hospital Research Institute, Vancouver, BC, Canada
| | | | - Sofia R Bartlett
- British Columbia Centre for Disease Control, Vancouver, BC, Canada
- School of Population and Public Health, University of British Columbia, Vancouver, BC, Canada
| | - Laura Cook
- British Columbia Children's Hospital Research Institute, University of British Columbia, Vancouver, BC, Canada
- Department of Medicine, University of British Columbia, Vancouver, BC, Canada
- Department of Microbiology & Immunology, University of Melbourne at the Peter Doherty Institute for Infection and Immunity, Melbourne, VIC, Australia
| | - Megan K Levings
- British Columbia Children's Hospital Research Institute, University of British Columbia, Vancouver, BC, Canada
- Department of Surgery, University of British Columbia, Vancouver, BC, Canada
- School of Biomedical Engineering, University of British Columbia, Vancouver, BC, Canada
| | - Theodore Steiner
- British Columbia Children's Hospital Research Institute, University of British Columbia, Vancouver, BC, Canada
- Department of Medicine, University of British Columbia, Vancouver, BC, Canada
| | - Inna Sekirov
- British Columbia Centre for Disease Control, Vancouver, BC, Canada
- Department of Pathology and Laboratory Medicine, University of British Columbia, Vancouver, BC, Canada
| | | | - Muhammad Morshed
- British Columbia Centre for Disease Control, Vancouver, BC, Canada
- Department of Pathology and Laboratory Medicine, University of British Columbia, Vancouver, BC, Canada
| | - Danuta M Skowronski
- British Columbia Centre for Disease Control, Vancouver, BC, Canada
- School of Population and Public Health, University of British Columbia, Vancouver, BC, Canada
| | - Mel Krajden
- British Columbia Centre for Disease Control, Vancouver, BC, Canada
- Department of Pathology and Laboratory Medicine, University of British Columbia, Vancouver, BC, Canada
| | - Agatha N Jassem
- British Columbia Centre for Disease Control, Vancouver, BC, Canada
- Department of Pathology and Laboratory Medicine, University of British Columbia, Vancouver, BC, Canada
| | - Manish Sadarangani
- Department of Pediatrics, University of British Columbia, 950 West 28th Avenue, Vancouver, BC, V5Z 4H4, Canada
- Vaccine Evaluation Center, British Columbia Children's Hospital Research Institute, Vancouver, BC, Canada
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Tai CG, Haviland MJ, Kissler SM, Lucia RM, Merson M, Maragakis LL, Ho DD, Anderson DJ, DiFiori J, Grubaugh ND, Grad YH, Mack CD. Low antibody levels associated with significantly increased rate of SARS-CoV-2 infection in a highly vaccinated population from the US National Basketball Association. J Med Virol 2024; 96:e29505. [PMID: 38465748 DOI: 10.1002/jmv.29505] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2023] [Revised: 02/12/2024] [Accepted: 02/23/2024] [Indexed: 03/12/2024]
Abstract
SARS-CoV-2 antibody levels may serve as a correlate for immunity and could inform optimal booster timing. The relationship between antibody levels and protection from infection was evaluated in vaccinated individuals from the US National Basketball Association who had antibody levels measured at a single time point from September 12, 2021, to December 31, 2021. Cox proportional hazards models were used to estimate the risk of infection within 90 days of serologic testing by antibody level (<250, 250-800, and >800 AU/mL1 ), adjusting for age, time since last vaccine dose, and history of SARS-CoV-2 infection. Individuals were censored on date of booster receipt. The analytic cohort comprised 2323 individuals and was 78.2% male, 68.1% aged ≤40 years, and 56.4% vaccinated (primary series) with the Pfizer-BioNTech mRNA vaccine. Among the 2248 (96.8%) individuals not yet boosted at antibody testing, 77% completed their primary vaccine series 4-6 months before testing and the median (interquartile range) antibody level was 293.5 (interquartile range: 121.0-740.5) AU/mL. Those with levels <250 AU/mL (adj hazard ratio [HR]: 2.4; 95% confidence interval [CI]: 1.5-3.7) and 250-800 AU/mL (adj HR: 1.5; 95% CI: 0.98-2.4) had greater infection risk compared to those with levels >800 AU/mL. Antibody levels could inform individual COVID-19 risk and booster scheduling.
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Affiliation(s)
| | | | - Steven M Kissler
- Harvard University T.H. Chan School of Public Health, Boston, Massachusetts, USA
| | | | - Michael Merson
- Duke University Duke Global Health Institute, Durham, North Carolina, USA
| | - Lisa L Maragakis
- Department of Medicine, Johns Hopkins University, Baltimore, Maryland, USA
| | - David D Ho
- Aaron Diamond AIDS Research Center, Columbia University Vagelos College of Physicians and Surgeons, New York, New York, USA
| | - Deverick J Anderson
- Duke University Center for Antimicrobial Stewardship and Infection Prevention, Durham, North Carolina, USA
| | - John DiFiori
- National Basketball Association, New York, New York, USA
- Hospital for Special Surgery, New York, New York, USA
| | - Nathan D Grubaugh
- Yale University School of Public Health, New Haven, Connecticut, USA
| | - Yonatan H Grad
- Harvard University T.H. Chan School of Public Health, Boston, Massachusetts, USA
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5
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Peterhoff D, Wiegrebe S, Einhauser S, Patt AJ, Beileke S, Günther F, Steininger P, Niller HH, Burkhardt R, Küchenhoff H, Gefeller O, Überla K, Heid IM, Wagner R. Population-based study of the durability of humoral immunity after SARS-CoV-2 infection. Front Immunol 2023; 14:1242536. [PMID: 37868969 PMCID: PMC10585261 DOI: 10.3389/fimmu.2023.1242536] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2023] [Accepted: 09/19/2023] [Indexed: 10/24/2023] Open
Abstract
SARS-CoV-2 antibody quantity and quality are key markers of humoral immunity. However, there is substantial uncertainty about their durability. We investigated levels and temporal change of SARS-CoV-2 antibody quantity and quality. We analyzed sera (8 binding, 4 avidity assays for spike-(S-)protein and nucleocapsid-(N-)protein; neutralization) from 211 seropositive unvaccinated participants, from the population-based longitudinal TiKoCo study, at three time points within one year after infection with the ancestral SARS-CoV-2 virus. We found a significant decline of neutralization titers and binding antibody levels in most assays (linear mixed regression model, p<0.01). S-specific serum avidity increased markedly over time, in contrast to N-specific. Binding antibody levels were higher in older versus younger participants - a difference that disappeared for the asymptomatic-infected. We found stronger antibody decline in men versus women and lower binding and avidity levels in current versus never-smokers. Our comprehensive longitudinal analyses across 13 antibody assays suggest decreased neutralization-based protection and prolonged affinity maturation within one year after infection.
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Affiliation(s)
- David Peterhoff
- Institute of Medical Microbiology and Hygiene, Molecular Microbiology (Virology), University of Regensburg, Regensburg, Germany
- Institute of Clinical Microbiology and Hygiene, University Hospital Regensburg, Regensburg, Germany
| | - Simon Wiegrebe
- Department of Genetic Epidemiology, University of Regensburg, Regensburg, Germany
- Statistical Consulting Unit StaBLab, Department of Statistics, Ludwig-Maximilians-Universität (LMU) Munich, Munich, Germany
| | - Sebastian Einhauser
- Institute of Medical Microbiology and Hygiene, Molecular Microbiology (Virology), University of Regensburg, Regensburg, Germany
| | - Arisha J. Patt
- Institute of Clinical Microbiology and Hygiene, University Hospital Regensburg, Regensburg, Germany
| | - Stephanie Beileke
- Institute of Clinical and Molecular Virology, University Hospital Erlangen, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany
| | - Felix Günther
- Department of Genetic Epidemiology, University of Regensburg, Regensburg, Germany
- Statistical Consulting Unit StaBLab, Department of Statistics, Ludwig-Maximilians-Universität (LMU) Munich, Munich, Germany
| | - Philipp Steininger
- Institute of Clinical and Molecular Virology, University Hospital Erlangen, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany
| | - Hans H. Niller
- Institute of Medical Microbiology and Hygiene, Molecular Microbiology (Virology), University of Regensburg, Regensburg, Germany
| | - Ralph Burkhardt
- Institute of Clinical Chemistry and Laboratory Medicine, University Hospital Regensburg, Regensburg, Germany
| | - Helmut Küchenhoff
- Statistical Consulting Unit StaBLab, Department of Statistics, Ludwig-Maximilians-Universität (LMU) Munich, Munich, Germany
| | - Olaf Gefeller
- Department of Medical Informatics, Biometry and Epidemiology, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), Erlangen, Germany
| | - Klaus Überla
- Institute of Clinical and Molecular Virology, University Hospital Erlangen, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany
| | - Iris M. Heid
- Department of Genetic Epidemiology, University of Regensburg, Regensburg, Germany
| | - Ralf Wagner
- Institute of Medical Microbiology and Hygiene, Molecular Microbiology (Virology), University of Regensburg, Regensburg, Germany
- Institute of Clinical Microbiology and Hygiene, University Hospital Regensburg, Regensburg, Germany
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Bohn MK, Steele S, Adeli K. SARS-CoV-2 serology in pediatrics: Seroprevalence studies in unvaccinated children and humoral antibody response post vaccination. Clin Biochem 2023; 119:110630. [PMID: 37549823 DOI: 10.1016/j.clinbiochem.2023.110630] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2023] [Revised: 08/02/2023] [Accepted: 08/04/2023] [Indexed: 08/09/2023]
Abstract
BACKGROUND Humoral response against SARS-CoV-2 is increasingly accepted as the central correlate of immune protection. Recent pediatric seroprevalence data are extremely limited. Significant knowledge gaps also exist in immune response to mRNA SARS-CoV-2 vaccination in children. As children demonstrate distinct response to naïve infection relative to adults, it is essential to investigate age-specific differences in seroprevalence and antibody response to SARS-CoV-2 vaccination. METHODS Seroprevalence was assessed through two cross-sectional serosurveys prior to COVID-19 vaccination approval in children <5 years using residual patient specimens (n = 2902). To assess antibody response post-vaccination, 842 participants (580 children, 262 adults) were prospectively recruited with informed consent. Participation required completion of a health questionnaire and blood donation. Samples were collected at varying times post-vaccination and assayed using the Abbott AdviseDx SARS-CoV-2 IgG II and DiaSorin LIAISON SARS-CoV-2 TrimericS IgG assays. RESULTS Significant increases in seroprevalence were observed between the first and second serosurveys in unvaccinated children <6 months to 5 years (38-75%). In the prospective vaccination cohort, serokinetic response decreased with time post-dose of an mRNA vaccine. Measured IgG titres were significantly higher in children relative to adults across all time points. CONCLUSIONS This is the largest evaluation of quantitative SARS-CoV-2 antibody assays in a cohort of Canadian children, adolescents, and adults. Findings suggest high rates of SARS-CoV-2 exposure among unvaccinated young children in the Toronto community. Additional data supports children have higher antibody titres relative to adults post-vaccination.
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Affiliation(s)
- Mary Kathryn Bohn
- CALIPER Program, Department of Pediatric Laboratory Medicine, The Hospital for Sick Children, Toronto, ON, Canada; Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, ON, Canada
| | - Shannon Steele
- CALIPER Program, Department of Pediatric Laboratory Medicine, The Hospital for Sick Children, Toronto, ON, Canada
| | - Khosrow Adeli
- CALIPER Program, Department of Pediatric Laboratory Medicine, The Hospital for Sick Children, Toronto, ON, Canada; Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, ON, Canada.
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Harthaller T, Falkensammer B, Bante D, Huber M, Schmitt M, Benainouna H, Rössler A, Fleischer V, von Laer D, Kimpel J, Würzner R, Borena W. Retained avidity despite reduced cross-binding and cross-neutralizing antibody levels to Omicron after SARS-COV-2 wild-type infection or mRNA double vaccination. Front Immunol 2023; 14:1196988. [PMID: 37545492 PMCID: PMC10401431 DOI: 10.3389/fimmu.2023.1196988] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2023] [Accepted: 06/29/2023] [Indexed: 08/08/2023] Open
Abstract
Introduction The rapid evolution of SARS-CoV-2 has posed a challenge to long-lasting immunity against the novel virus. Apart from neutralizing function, binding antibodies induced by vaccination or infection play an important role in containing the infection. Methods To determine the proportion of wild-type (WT)-generated antibodies recognizant of more recent variants, plasma samples from either SARS-CoV-2 WT-infected (n = 336) or double-mRNA (Comirnaty)-vaccinated individuals (n = 354, age and sex matched to the convalescent group) were analyzed for binding antibody capacity against the S1 protein of the BA.1 omicron variant. Results Overall, 38.59% (95% CI, 37.01- 40.20) of WT-generated antibodies recognized Omicron BA.1 S1 protein [28.83% (95% CI, 26.73-30.91) after infection and 43.46% (95% CI, 41.61-45.31) after vaccination; p < 0.001]. Although the proportion of WT-generated binding and neutralizing antibodies also binding to BA.1 is substantially reduced, the avidity of the remaining antibodies against the Omicron variant was non-inferior to that of the ancestral virus: Omicron: 39.7% (95% CI: 38.1-41.3) as compared to the avidity to WT: 27.0% (95% CI, 25.5-28.4), respectively (p < 0.001). Furthermore, we noticed a modestly yet statistically significant higher avidity toward the Omicron epitopes among the vaccinated group (42.2%; 95% CI, 40.51-43.94) as compared to the convalescent counterparts (36.4%; 95% CI, 33.42-38.76) (p = 0.003), even after adjusting for antibody concentration. Discussion Our results suggest that an aspect of functional immunity against the novel strain was considerably retained after WT contact, speculatively counteracting the impact of immune evasion toward neutralization of the strain. Higher antibody levels and cross-binding capacity among vaccinated individuals suggest an advantage of repeated exposure in generating robust immunity.
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Affiliation(s)
- Teresa Harthaller
- Department of Hygiene, Microbiology and Public Health, Institute of Virology, Innsbruck Medical University, Innsbruck, Austria
| | - Barbara Falkensammer
- Department of Hygiene, Microbiology and Public Health, Institute of Virology, Innsbruck Medical University, Innsbruck, Austria
| | - David Bante
- Department of Hygiene, Microbiology and Public Health, Institute of Virology, Innsbruck Medical University, Innsbruck, Austria
| | - Maria Huber
- Department of Hygiene, Microbiology and Public Health, Institute of Virology, Innsbruck Medical University, Innsbruck, Austria
| | - Melanie Schmitt
- Department of Hygiene, Microbiology and Public Health, Institute of Virology, Innsbruck Medical University, Innsbruck, Austria
| | - Habib Benainouna
- Department of Hygiene, Microbiology and Public Health, Institute of Virology, Innsbruck Medical University, Innsbruck, Austria
| | - Annika Rössler
- Department of Hygiene, Microbiology and Public Health, Institute of Virology, Innsbruck Medical University, Innsbruck, Austria
| | - Verena Fleischer
- Department of Hygiene, Microbiology and Public Health, Institute of Hygiene and Medical Microbiology, Innsbruck Medical University, Innsbruck, Austria
| | - Dorothee von Laer
- Department of Hygiene, Microbiology and Public Health, Institute of Virology, Innsbruck Medical University, Innsbruck, Austria
| | - Janine Kimpel
- Department of Hygiene, Microbiology and Public Health, Institute of Virology, Innsbruck Medical University, Innsbruck, Austria
| | - Reinhard Würzner
- Department of Hygiene, Microbiology and Public Health, Institute of Hygiene and Medical Microbiology, Innsbruck Medical University, Innsbruck, Austria
| | - Wegene Borena
- Department of Hygiene, Microbiology and Public Health, Institute of Virology, Innsbruck Medical University, Innsbruck, Austria
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8
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Amellal H, Assaid N, Charoute H, Akarid K, Maaroufi A, Ezzikouri S, Sarih M. Kinetics of specific anti-SARS-CoV-2 IgM, IgA, and IgG responses during the first 12 months after SARS-CoV-2 infection: A prospective longitudinal study. PLoS One 2023; 18:e0288557. [PMID: 37437051 DOI: 10.1371/journal.pone.0288557] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2023] [Accepted: 06/29/2023] [Indexed: 07/14/2023] Open
Abstract
Coronavirus 2019 (COVID-19) is a global health threat. The kinetics of antibodies against severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) need to be assessed, as the long-term duration of these immunoglobulins remains largely controversial. The aim of this study was to assess the longitudinal dynamics of anti-SARS-CoV-2 antibodies against the nucleocapsid (N) protein and the receptor-binding domain (RBD) of the spike protein up to one year in a cohort of 190 COVID-19 patients. Between March and September 2021, we enrolled patients from two regional hospitals in Casablanca, Morocco. Blood samples were collected and analyzed for antibody levels. We used the commercial Euroimmun ELISA for the determination of anti-N IgM, the Abbott Architect™ SARS-CoV-2 IgG test for the detection of anti-RBD IgG, and an in-house kit for the assay of anti-N IgG and anti-N IgA. IgM and IgA antibodies were assessed 2-5, 9-12, 17-20 and 32-37 days after symptom onset. IgG antibodies were also assessed 60, 90, 120 and 360 days after symptom onset. One-third of patients developed IgM (32%), while two-thirds developed IgA (61%). One month of symptom onset, most patients developed IgG, with 97% and 93% positivity for anti-RBD IgG and anti-N IgG, respectively. The anti-RBD IgG positivity rate remained high up to one year of follow-up. However, the anti-N IgG positivity rate decreased over time, with only 41% of patients testing positive after one year's follow-up. IgG levels were significantly higher in older people (over 50 years) than in other study participants. We also found that patients who had received two doses of ChAdOx1 nCoV-19 vaccine prior to infection had a lower IgM response than unvaccinated patients. This difference was statistically significant two weeks after the onset of symptoms. We present the first study in Africa to measure the kinetics of antibody response (IgA, IgM and IgG) to SARS-CoV-2 over one year. Most participants remained seropositive for anti-RBD IgG after one year but showed a significant decline in antibody titers.
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Affiliation(s)
- Houda Amellal
- Department of Parasitology and Vector-Borne Diseases, Institut Pasteur du Maroc, Casablanca, Morocco
- Aïn Chock Faculty of Sciences, Health and Environment Laboratory, Biochemistry, Biotechnology and Immunophysiopathology Research Team, Hassan II University of Casablanca, Casablanca, Morocco
| | - Najlaa Assaid
- Department of Parasitology and Vector-Borne Diseases, Institut Pasteur du Maroc, Casablanca, Morocco
| | - Hicham Charoute
- Institut Pasteur du Maroc, Research Unit of Epidemiology, Biostatistics and Bioinformatics, Casablanca, Morocco
| | - Khadija Akarid
- Aïn Chock Faculty of Sciences, Health and Environment Laboratory, Biochemistry, Biotechnology and Immunophysiopathology Research Team, Hassan II University of Casablanca, Casablanca, Morocco
| | - Abderrahmane Maaroufi
- Department of Parasitology and Vector-Borne Diseases, Institut Pasteur du Maroc, Casablanca, Morocco
| | - Sayeh Ezzikouri
- Viral Hepatitis Laboratory, Institut Pasteur du Maroc, Virology Unit, Casablanca, Morocco
| | - M'hammed Sarih
- Department of Parasitology and Vector-Borne Diseases, Institut Pasteur du Maroc, Casablanca, Morocco
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9
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Buchta C, Springer D, Jovanovic J, Borsodi C, Weidner L, Sareban N, Radler U, Müller MM, Griesmacher A, Puchhammer-Stöckl E, Wagner T, Jungbauer C, Stiasny K, Weseslindtner L. Three rounds of a national external quality assessment reveal a link between disharmonic anti-SARS-CoV-2 antibody quantifications and the infection stage. Clin Chem Lab Med 2023; 61:1349-1358. [PMID: 36756735 DOI: 10.1515/cclm-2022-1161] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2022] [Accepted: 02/03/2023] [Indexed: 02/10/2023]
Abstract
OBJECTIVES The WHO's standardized measuring unit, "binding antibody units per milliliter (BAU/mL)," should allow the harmonization of quantitative results by different commercial Anti-SARS-CoV-2 immunoassays. However, multiple studies demonstrate inter-assay discrepancies. The antigenic changes of the Omicron variant affect the performance of Spike-specific immunoassays. This study evaluated the variation of quantitative Anti-SARS-CoV-2-Spike antibody measurements among 46, 50, and 44 laboratories in three rounds of a national external quality assessment (EQA) prior to and after the emergence of the Omicron variant in a diagnostic near-to-real-life setting. METHODS We analyzed results reported by the EQA participant laboratories from single and sequential samples from SARS-CoV-2 convalescent, acutely infected, and vaccinated individuals, including samples obtained after primary and breakthrough infections with the Omicron variant. RESULTS The three immunoassays most commonly used by the participants displayed a low intra-assay and inter-laboratory variation with excellent reproducibility using identical samples sent to the participants in duplicates. In contrast, the inter-assay variation was very high with all samples. Notably, the ratios of BAU/mL levels quantified by different immunoassays were not equal among all samples but differed between vaccination, past, and acute infection, including primary infection with the Omicron variant. The antibody kinetics measured in vaccinated individuals strongly depended on the applied immunoassay. CONCLUSIONS Measured BAU/mL levels are only inter-changeable among different laboratories when the same assay was used for their assessment. Highly variable ratios of BAU/mL quantifications among different immunoassays and infection stages argue against the usage of universal inter-assay conversion factors.
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Affiliation(s)
- Christoph Buchta
- Austrian Association for Quality Assurance and Standardization of Medical and Diagnostic Tests (ÖQUASTA), Vienna, Austria
| | - David Springer
- Center for Virology, Medical University of Vienna, Vienna, Austria
| | - Jovana Jovanovic
- Austrian Association for Quality Assurance and Standardization of Medical and Diagnostic Tests (ÖQUASTA), Vienna, Austria
| | | | - Lisa Weidner
- Austrian Red Cross, Blood Service for Vienna, Lower Austria, and Burgenland, Austria
| | - Nazanin Sareban
- Department of Blood Group Serology and Transfusion Medicine, Medical University of Graz, Graz, Austria
| | - Ulla Radler
- Austrian Association for Quality Assurance and Standardization of Medical and Diagnostic Tests (ÖQUASTA), Vienna, Austria
| | - Mathias M Müller
- Austrian Association for Quality Assurance and Standardization of Medical and Diagnostic Tests (ÖQUASTA), Vienna, Austria
| | - Andrea Griesmacher
- Austrian Association for Quality Assurance and Standardization of Medical and Diagnostic Tests (ÖQUASTA), Vienna, Austria
| | | | - Thomas Wagner
- Department of Blood Group Serology and Transfusion Medicine, Medical University of Graz, Graz, Austria
| | - Christof Jungbauer
- Austrian Red Cross, Blood Service for Vienna, Lower Austria, and Burgenland, Austria
| | - Karin Stiasny
- Center for Virology, Medical University of Vienna, Vienna, Austria
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10
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Woudenberg T, Pinaud L, Garcia L, Tondeur L, Pelleau S, De Thoisy A, Donnadieu F, Backovic M, Attia M, Hozé N, Duru C, Koffi AD, Castelain S, Ungeheuer MN, Fernandes Pellerin S, Planas D, Bruel T, Cauchemez S, Schwartz O, Fontanet A, White M. Estimated protection against COVID-19 based on predicted neutralisation titres from multiple antibody measurements in a longitudinal cohort, France, April 2020 to November 2021. Euro Surveill 2023; 28:2200681. [PMID: 37347417 PMCID: PMC10288827 DOI: 10.2807/1560-7917.es.2023.28.25.2200681] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2022] [Accepted: 03/28/2023] [Indexed: 06/23/2023] Open
Abstract
BackgroundThe risk of SARS-CoV-2 (re-)infection remains present given waning of vaccine-induced and infection-acquired immunity, and ongoing circulation of new variants.AimTo develop a method that predicts virus neutralisation and disease protection based on variant-specific antibody measurements to SARS-CoV-2 antigens.MethodsTo correlate antibody and neutralisation titres, we collected 304 serum samples from individuals with either vaccine-induced or infection-acquired SARS-CoV-2 immunity. Using the association between antibody and neutralisation titres, we developed a prediction model for SARS-CoV-2-specific neutralisation titres. From predicted neutralising titres, we inferred protection estimates to symptomatic and severe COVID-19 using previously described relationships between neutralisation titres and protection estimates. We estimated population immunity in a French longitudinal cohort of 905 individuals followed from April 2020 to November 2021.ResultsWe demonstrated a strong correlation between anti-SARS-CoV-2 antibodies measured using a low cost high-throughput assay and antibody response capacity to neutralise live virus. Participants with a single vaccination or immunity caused by infection were especially vulnerable to symptomatic or severe COVID-19. While the median reduced risk of COVID-19 from Delta variant infection in participants with three vaccinations was 96% (IQR: 94-98), median reduced risk among participants with infection-acquired immunity was only 42% (IQR: 22-66).ConclusionOur results are consistent with data from vaccine effectiveness studies, indicating the robustness of our approach. Our multiplex serological assay can be readily adapted to study new variants and provides a framework for development of an assay that would include protection estimates.
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Affiliation(s)
- Tom Woudenberg
- Infectious Disease Epidemiology and Analytics G5 Unit, Department of Global Health, Institut Pasteur, Université Paris-Cité, Paris, France
| | - Laurie Pinaud
- Emerging Diseases Epidemiology Unit, 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
| | - Laura Tondeur
- Emerging Diseases Epidemiology Unit, Institut Pasteur, Université Paris-Cité, Paris, France
| | - Stéphane Pelleau
- Infectious Disease Epidemiology and Analytics G5 Unit, Department of Global Health, Institut Pasteur, Université Paris-Cité, Paris, France
| | - Alix De Thoisy
- Infectious Disease Epidemiology and Analytics G5 Unit, Department of Global Health, Institut Pasteur, Université Paris-Cité, Paris, France
| | - Françoise Donnadieu
- Infectious Disease Epidemiology and Analytics G5 Unit, Department of Global Health, Institut Pasteur, Université Paris-Cité, Paris, France
| | - Marija Backovic
- Structural Virology Unit, Department of Virology and CNRS UMR 3569, Institut Pasteur, Université Paris-Cité, Paris, France
| | - Mikaël Attia
- Molecular Genetics of RNA Viruses, Department of Virology, Institut Pasteur, Université Paris-Cité, CNRS UMR 3569, Paris, France
| | - Nathanael Hozé
- Mathematical Modelling of Infectious Diseases Unit, Institut Pasteur, Université Paris-Cité, UMR2000, CNRS, Paris, France
| | - Cécile Duru
- Hôpital de Crépy-en-Valois, Crépy-en-Valois, France
| | | | | | - Marie-Noelle Ungeheuer
- Clinical Investigation and Access to Research Bioresources (ICAReB) platform, Center for Translational Science, Institut Pasteur, Paris, France
| | | | - Delphine Planas
- Virus and Immunity Unit, Department of Virology, Institut Pasteur, Université Paris-Cité, Paris, France
| | - Timothée Bruel
- Virus and Immunity Unit, Department of Virology, Institut Pasteur, Université Paris-Cité, Paris, France
| | - Simon Cauchemez
- Mathematical Modelling of Infectious Diseases Unit, Institut Pasteur, Université Paris-Cité, UMR2000, CNRS, Paris, France
| | - Olivier Schwartz
- Virus and Immunity Unit, Department of Virology, Institut Pasteur, Université Paris-Cité, Paris, France
| | - Arnaud Fontanet
- PACRI Unit, Conservatoire National des Arts et Métiers, Paris, France
- Emerging Diseases Epidemiology Unit, Institut Pasteur, Université Paris-Cité, Paris, France
| | - Michael White
- Infectious Disease Epidemiology and Analytics G5 Unit, Department of Global Health, Institut Pasteur, Université Paris-Cité, Paris, France
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11
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Evaluation and deployment of isotype-specific salivary antibody assays for detecting previous SARS-CoV-2 infection in children and adults. COMMUNICATIONS MEDICINE 2023; 3:37. [PMID: 36922542 PMCID: PMC10016188 DOI: 10.1038/s43856-023-00264-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2022] [Accepted: 02/17/2023] [Indexed: 03/17/2023] Open
Abstract
BACKGROUND Saliva is easily obtainable non-invasively and potentially suitable for detecting both current and previous SARS-CoV-2 infection, but there is limited evidence on the utility of salivary antibody testing for community surveillance. METHODS We established 6 ELISAs detecting IgA and IgG antibodies to whole SARS-CoV-2 spike protein, to its receptor binding domain region and to nucleocapsid protein in saliva. We evaluated diagnostic performance, and using paired saliva and serum samples, correlated mucosal and systemic antibody responses. The best-performing assays were field-tested in 20 household outbreaks. RESULTS We demonstrate in test accuracy (N = 320), spike IgG (ROC AUC: 95.0%, 92.8-97.3%) and spike IgA (ROC AUC: 89.9%, 86.5-93.2%) assays to discriminate best between pre-pandemic and post COVID-19 saliva samples. Specificity was 100% in younger age groups (0-19 years) for spike IgA and IgG. However, sensitivity was low for the best-performing assay (spike IgG: 50.6%, 39.8-61.4%). Using machine learning, diagnostic performance was improved when a combination of tests was used. As expected, salivary IgA was poorly correlated with serum, indicating an oral mucosal response whereas salivary IgG responses were predictive of those in serum. When deployed to household outbreaks, antibody responses were heterogeneous but remained a reliable indicator of recent infection. Intriguingly, unvaccinated children without confirmed infection showed evidence of exposure almost exclusively through specific IgA responses. CONCLUSIONS Through robust standardisation, evaluation and field-testing, this work provides a platform for further studies investigating SARS-CoV-2 transmission and mucosal immunity with the potential for expanding salivo-surveillance to other respiratory infections in hard-to-reach settings.
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12
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Decarreaux D, Sevila J, Masse S, Capai L, Fourié T, Villarroel PMS, Amroun A, Nurtop E, Vareille M, Blanchon T, de Lamballerie X, Charrel R, Falchi A. Eight Months of Serological Follow-Up of Anti-SARS-CoV-2 Antibodies in France: A Study among an Adult Population. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:15257. [PMID: 36429974 PMCID: PMC9691066 DOI: 10.3390/ijerph192215257] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/05/2022] [Revised: 11/10/2022] [Accepted: 11/14/2022] [Indexed: 06/16/2023]
Abstract
BACKGROUND Uncertainties remain regarding the nature and durability of the humoral immune response to severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2). AIM This study investigated immunoglobulin G response and neutralizing activity to evaluate the mean antibody concentrations and response duration induced by each vaccination regimen in a French adult population. METHODS A study including blood sampling and questionnaires was carried out from November 2020 to July 2021 with three separate follow-up phases. Spike proteins and neutralizing antibodies were quantified using ELISA and a virus-neutralization test. RESULTS Overall, 295 participants were included. Seroprevalences were 11.5% (n = 34), 10.5% (n = 31), and 68.1% (n = 201) in phases 1, 2, and 3, respectively. Importantly, 5.8% (n = 17) of participants lost their natural antibodies. Antibody response of participants with only a prior infection was 88.2 BAU/mL, significantly lower than those vaccinated, which was 1909.3 BAU/mL (p = 0.04). Moreover, the antibody response of vaccinated participants with a prior infection was higher (3593.8 BAU/mL) than those vaccinated without prior infection (3402.9 BAU/mL) (p = 0.78). Vaccinated participants with or without prior infection had a higher seroneutralization rate (91.0%) than those unvaccinated with prior infection (65.0%). CONCLUSION These results demonstrated that single infection does not confer effective protection against SARS-CoV-2.
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Affiliation(s)
- Dorine Decarreaux
- Laboratoire de Virologie, Université de Corse Pascal Paoli, UR7310 Bioscope, 20250 Corte, France
- INSERM, Sorbonne Université, Institut Pierre Louis d’Epidémiologie et de Santé Publique, IPLESP, 75012 Paris, France
- Unité des Virus émergents, Aix Marseille University, IRD 190, INSERM U1207, IHU Méditerranée Infection, 13005 Marseille, France
| | - Julie Sevila
- Laboratoire de Virologie, Université de Corse Pascal Paoli, UR7310 Bioscope, 20250 Corte, France
| | - Shirley Masse
- Laboratoire de Virologie, Université de Corse Pascal Paoli, UR7310 Bioscope, 20250 Corte, France
| | - Lisandru Capai
- Laboratoire de Virologie, Université de Corse Pascal Paoli, UR7310 Bioscope, 20250 Corte, France
| | - Toscane Fourié
- Unité des Virus émergents, Aix Marseille University, IRD 190, INSERM U1207, IHU Méditerranée Infection, 13005 Marseille, France
| | - Paola Mariela Saba Villarroel
- Unité des Virus émergents, Aix Marseille University, IRD 190, INSERM U1207, IHU Méditerranée Infection, 13005 Marseille, France
| | - Abdennour Amroun
- Unité des Virus émergents, Aix Marseille University, IRD 190, INSERM U1207, IHU Méditerranée Infection, 13005 Marseille, France
| | - Elif Nurtop
- Unité des Virus émergents, Aix Marseille University, IRD 190, INSERM U1207, IHU Méditerranée Infection, 13005 Marseille, France
| | - Matthieu Vareille
- Laboratoire de Virologie, Université de Corse Pascal Paoli, UR7310 Bioscope, 20250 Corte, France
| | - Thierry Blanchon
- INSERM, Sorbonne Université, Institut Pierre Louis d’Epidémiologie et de Santé Publique, IPLESP, 75012 Paris, France
| | - Xavier de Lamballerie
- Unité des Virus émergents, Aix Marseille University, IRD 190, INSERM U1207, IHU Méditerranée Infection, 13005 Marseille, France
| | - Remi Charrel
- Unité des Virus émergents, Aix Marseille University, IRD 190, INSERM U1207, IHU Méditerranée Infection, 13005 Marseille, France
| | - Alessandra Falchi
- Laboratoire de Virologie, Université de Corse Pascal Paoli, UR7310 Bioscope, 20250 Corte, France
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