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Senjam SS, Manna S, Goel G, Balhara YPS, Ray A, Gupta Y, Lomi N, Gupta V, Vashist P, Titiyal JS, Kashyap N, Kumar R. Vaccination coverage against COVID-19 among rural population in Haryana, India: A cross-sectional study. PLoS One 2024; 19:e0299564. [PMID: 38457391 PMCID: PMC10923481 DOI: 10.1371/journal.pone.0299564] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2023] [Accepted: 02/13/2024] [Indexed: 03/10/2024] Open
Abstract
BACKGROUND Conducting a study in rural pre-dominant areas will help to understand the penetration of the vaccination campaign during the COVID-19 health crisis. This study aimed to investigate vaccination coverage against COVID-19 among the rural adult population in India and to identify factors associated with vaccination coverage. METHODS A population-based cross-sectional study was conducted among the rural population in one district of north India from January to February 2023. A semi-structured questionnaire was designed on the SurveyMonkey digital platform for interviewing the participants, which consisted of questions related to socio-demographic profile, health problems, vaccination status, types of vaccine, re-infection after vaccination, and functional difficulties. The data regarding infection with COVID-19 was collected based on self-reported positive testing for SARS-CoV 2 on RT-PCR. FINDINGS A total of 3700 eligible individuals were enumerated for the survey, out of which 2954 (79.8%) were interviewed. The infection rate of past COVID-19 infection, based on self-report of testing positive, was 6.2% (95%CI: 5.3-7.1). Covishield vaccine was received by most participants (81.3%, 2380) followed by Covaxin (12.3%, 361) and Pfizer manufactured vaccine (0.03,1). The coverage for first, second, and booster doses of the vaccine was 98.2% (2902), 94.8% (2802), and 10.7% (315) respectively. The risk of reinfection at 12 months or more among participants with two doses of vaccine was 1.6% (46/2802, 95%CI: 1.2-2.1). The coverage among those with severe functional difficulties was lesser as compared to those with some or no difficulties. INTERPRETATION Vaccination coverage against COVID-19 in rural Haryana, India is not dependent on factors like gender or occupation but is dependent on age and education. Although the full and partial vaccination coverage is high, the booster dose coverage is poor. In addition, the presence of severe disability was significantly associated with reduced vaccination coverage.
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Affiliation(s)
- Suraj Singh Senjam
- Dr. Rajendra Prasad Centre for Ophthalmic Sciences, All India Institute of Medical Sciences, New Delhi, India
| | - Souvik Manna
- Dr. Rajendra Prasad Centre for Ophthalmic Sciences, All India Institute of Medical Sciences, New Delhi, India
| | - Garima Goel
- Dr. Rajendra Prasad Centre for Ophthalmic Sciences, All India Institute of Medical Sciences, New Delhi, India
| | - Yatan Pal Singh Balhara
- Department of Psychiatry, National Drug Dependence Treatment Centre, All India Institute of Medical Sciences, New Delhi, India
| | - Animesh Ray
- Department of Medicine, All India Institute of Medical Sciences, New Delhi, India
| | - Yashdeep Gupta
- Department of Endocrinology, All India Institute of Medical Sciences, New Delhi, India
| | - Neiwete Lomi
- Dr. Rajendra Prasad Centre for Ophthalmic Sciences, All India Institute of Medical Sciences, New Delhi, India
| | - Vivek Gupta
- Dr. Rajendra Prasad Centre for Ophthalmic Sciences, All India Institute of Medical Sciences, New Delhi, India
| | - Praveen Vashist
- Dr. Rajendra Prasad Centre for Ophthalmic Sciences, All India Institute of Medical Sciences, New Delhi, India
| | - Jeewan Singh Titiyal
- Dr. Rajendra Prasad Centre for Ophthalmic Sciences, All India Institute of Medical Sciences, New Delhi, India
| | - Nitin Kashyap
- Dr. Rajendra Prasad Centre for Ophthalmic Sciences, All India Institute of Medical Sciences, New Delhi, India
| | - Rajesh Kumar
- Dr. Rajendra Prasad Centre for Ophthalmic Sciences, All India Institute of Medical Sciences, New Delhi, India
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Kirwan PD, Hall VJ, Foulkes S, Otter AD, Munro K, Sparkes D, Howells A, Platt N, Broad J, Crossman D, Norman C, Corrigan D, Jackson CH, Cole M, Brown CS, Atti A, Islam J, Presanis AM, Charlett A, De Angelis D, Hopkins S. Effect of second booster vaccinations and prior infection against SARS-CoV-2 in the UK SIREN healthcare worker cohort. THE LANCET REGIONAL HEALTH. EUROPE 2024; 36:100809. [PMID: 38111727 PMCID: PMC10727938 DOI: 10.1016/j.lanepe.2023.100809] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/29/2023] [Revised: 11/20/2023] [Accepted: 11/20/2023] [Indexed: 12/20/2023]
Abstract
Background The protection of fourth dose mRNA vaccination against SARS-CoV-2 is relevant to current global policy decisions regarding ongoing booster roll-out. We aimed to estimate the effect of fourth dose vaccination, prior infection, and duration of PCR positivity in a highly-vaccinated and largely prior-COVID-19 infected cohort of UK healthcare workers. Methods Participants underwent fortnightly PCR and regular antibody testing for SARS-CoV-2 and completed symptoms questionnaires. A multi-state model was used to estimate vaccine effectiveness (VE) against infection from a fourth dose compared to a waned third dose, with protection from prior infection and duration of PCR positivity jointly estimated. Findings 1298 infections were detected among 9560 individuals under active follow-up between September 2022 and March 2023. Compared to a waned third dose, fourth dose VE was 13.1% (95% CI 0.9 to 23.8) overall; 24.0% (95% CI 8.5 to 36.8) in the first 2 months post-vaccination, reducing to 10.3% (95% CI -11.4 to 27.8) and 1.7% (95% CI -17.0 to 17.4) at 2-4 and 4-6 months, respectively. Relative to an infection >2 years ago and controlling for vaccination, 63.6% (95% CI 46.9 to 75.0) and 29.1% (95% CI 3.8 to 43.1) greater protection against infection was estimated for an infection within the past 0-6, and 6-12 months, respectively. A fourth dose was associated with greater protection against asymptomatic infection than symptomatic infection, whilst prior infection independently provided more protection against symptomatic infection, particularly if the infection had occurred within the previous 6 months. Duration of PCR positivity was significantly lower for asymptomatic compared to symptomatic infection. Interpretation Despite rapid waning of protection, vaccine boosters remain an important tool in responding to the dynamic COVID-19 landscape; boosting population immunity in advance of periods of anticipated pressure, such as surging infection rates or emerging variants of concern. Funding UK Health Security Agency, Medical Research Council, NIHR HPRU Oxford, Bristol, and others.
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Affiliation(s)
- Peter D. Kirwan
- MRC Biostatistics Unit, University of Cambridge, United Kingdom
| | | | | | | | | | | | | | | | | | - David Crossman
- School of Medicine, University of St Andrews, United Kingdom
| | | | | | | | | | | | - Ana Atti
- UK Health Security Agency, United Kingdom
| | | | | | | | - Daniela De Angelis
- MRC Biostatistics Unit, University of Cambridge, United Kingdom
- UK Health Security Agency, United Kingdom
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Marraccini C, Merolle L, Schiroli D, Razzoli A, Gavioli G, Iotti B, Baricchi R, Ottone M, Mancuso P, Giorgi Rossi P. A cohort study on the biochemical and haematological parameters of Italian blood donors as possible risk factors of COVID-19 infection and severe disease in the pre- and post-Omicron period. PLoS One 2023; 18:e0294272. [PMID: 37988390 PMCID: PMC10662768 DOI: 10.1371/journal.pone.0294272] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2023] [Accepted: 10/27/2023] [Indexed: 11/23/2023] Open
Abstract
To investigate the association between biochemical and blood parameters collected before the pandemic in a large cohort of Italian blood donors with the risk of infection and severe disease. We also focused on the differences between the pre- and post-Omicron spread in Italy (i.e., pre- and post-January 01, 2022) on the observed associations. We conducted an observational cohort study on 13750 blood donors was conducted using data archived up to 5 years before the pandemic. A t-test or chi-squared test was used to compare differences between groups. Hazard ratios with 95% confidence intervals for SARS-CoV-2 infection and severe disease were estimated using Cox proportional hazards models. Subgroup analyses stratified by sex, age and epidemic phase of first infection (pre- and post-Omicron spread) were examined. We confirmed a protective effect of groups B and O, while groups A and AB had a higher likelihood of infection and severe disease. However, these associations were only significant in the pre-Omicron period. We found an opposite behavior after Omicron spread, with the O phenotype having a higher probability of infection. When stratified by variant, A antigen appeared to protect against Omicron infection, whereas it was associated with an increased risk of infection by earlier variants. We were able to stratify for the SARS CoV-2 dominant variant, which revealed a causal association between blood group and probability of infection, as evidenced by the strong effect modification observed between the pre- and post-Omicron spread. The mechanism by which group A acts on the probability of infection should consider this strong effect modification.
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Affiliation(s)
- Chiara Marraccini
- Transfusion Medicine Unit, Azienda USL-IRCCS di Reggio Emilia, Reggio Emilia, Italy
| | - Lucia Merolle
- Transfusion Medicine Unit, Azienda USL-IRCCS di Reggio Emilia, Reggio Emilia, Italy
| | - Davide Schiroli
- Transfusion Medicine Unit, Azienda USL-IRCCS di Reggio Emilia, Reggio Emilia, Italy
| | - Agnese Razzoli
- Transfusion Medicine Unit, Azienda USL-IRCCS di Reggio Emilia, Reggio Emilia, Italy
- Clinical and Experimental Medicine PhD Program, University of Modena and Reggio Emilia, Reggio Emilia, Italy
| | - Gaia Gavioli
- Transfusion Medicine Unit, Azienda USL-IRCCS di Reggio Emilia, Reggio Emilia, Italy
- Clinical and Experimental Medicine PhD Program, University of Modena and Reggio Emilia, Reggio Emilia, Italy
| | - Barbara Iotti
- Transfusion Medicine Unit, Azienda USL-IRCCS di Reggio Emilia, Reggio Emilia, Italy
| | - Roberto Baricchi
- Transfusion Medicine Unit, Azienda USL-IRCCS di Reggio Emilia, Reggio Emilia, Italy
| | - Marta Ottone
- Epidemiology Unit, Azienda USL-IRCCS di Reggio Emilia, Reggio Emilia, Italy
| | - Pamela Mancuso
- Epidemiology Unit, Azienda USL-IRCCS di Reggio Emilia, Reggio Emilia, Italy
| | - Paolo Giorgi Rossi
- Epidemiology Unit, Azienda USL-IRCCS di Reggio Emilia, Reggio Emilia, Italy
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Kliegr T, Jarkovský J, Jiřincová H, Kuchař J, Karel T, Chudán D, Vojíř S, Zavřel M, Šanca O, Tachezy R. Can variants, reinfection, symptoms and test types affect COVID-19 diagnostic performance? A large-scale retrospective study of AG-RDTs during circulation of Delta and Omicron variants, Czechia, December 2021 to February 2022. Euro Surveill 2023; 28:2200938. [PMID: 37733239 PMCID: PMC10515498 DOI: 10.2807/1560-7917.es.2023.28.38.2200938] [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: 12/09/2022] [Accepted: 05/26/2023] [Indexed: 09/22/2023] Open
Abstract
BackgroundThe sensitivity and specificity of selected antigen detection rapid diagnostic tests (AG-RDTs) for SARS-CoV-2 were determined in the unvaccinated population when the Delta variant was circulating. Viral loads, dynamics, symptoms and tissue tropism differ between Omicron and Delta.AimWe aimed to compare AG-RDT sensitivity and specificity in selected subgroups during Omicron vs Delta circulation.MethodsWe retrospectively paired AG-RDT results with PCRs registered in Czechia's Information System for Infectious Diseases from 1 to 25 December 2021 (Delta, n = 20,121) and 20 January to 24 February 2022 (Omicron, n = 47,104).ResultsWhen confirmatory PCR was conducted on the same day as AG-RDT as a proxy for antigen testing close to peak viral load, the average sensitivity for Delta was 80.4% and for Omicron 81.4% (p < 0.05). Sensitivity in vaccinated individuals was lower for Omicron (OR = 0.94; 95% confidence interval (CI): 0.87-1.03), particularly in reinfections (OR = 0.83; 95% CI: 0.75-0.92). Saliva AG-RDT sensitivity was below average for both Delta (74.4%) and Omicron (78.4%). Tests on the European Union Category A list had higher sensitivity than tests in Category B. The highest sensitivity for Omicron (88.5%) was recorded for patients with loss of smell or taste, however, these symptoms were almost 10-fold less common than for Delta. The sensitivity of AG-RDTs performed on initially asymptomatic individuals done 1, 2 or 3 days before a positive PCR test was consistently lower for Omicron compared with Delta.ConclusionSensitivity for Omicron was lower in subgroups that may become more common if SARS-CoV-2 becomes an endemic virus.
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Affiliation(s)
- Tomáš Kliegr
- These authors contributed equally to this article and share the first authorship
- Department of Information and Knowledge Engineering, Faculty of Informatics and Statistics, Prague University of Economics and Business, Prague, Czechia
| | - Jiří Jarkovský
- These authors contributed equally to this article and share the first authorship
- Institute of Biostatistics and Analyses, Faculty of Medicine, Masaryk University, Brno, Czechia
- Institute of Health Information and Statistics of the Czech Republic, Prague, Czechia
| | - Helena Jiřincová
- National Reference Laboratory for Influenza and Respiratory Viruses, National Institute of Public Health, Prague, Czechia
| | - Jaroslav Kuchař
- Department of Software Engineering, Faculty of Information Technology, Czech Technical University, Prague, Czechia
| | - Tomáš Karel
- Department of Statistics and Probability, Faculty of Informatics and Statistics, Prague University of Economics and Business, Prague, Czechia
| | - David Chudán
- Department of Information and Knowledge Engineering, Faculty of Informatics and Statistics, Prague University of Economics and Business, Prague, Czechia
| | - Stanislav Vojíř
- Department of Information and Knowledge Engineering, Faculty of Informatics and Statistics, Prague University of Economics and Business, Prague, Czechia
| | - Michal Zavřel
- Institute of Health Information and Statistics of the Czech Republic, Prague, Czechia
| | - Ondřej Šanca
- Institute of Biostatistics and Analyses, Faculty of Medicine, Masaryk University, Brno, Czechia
- Institute of Health Information and Statistics of the Czech Republic, Prague, Czechia
| | - Ruth Tachezy
- Department of Genetics and Microbiology, Faculty of Science-BIOCEV, Charles University, Prague, Czechia
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Mangone L, Giorgi Rossi P, Taborelli M, Toffolutti F, Mancuso P, Dal Maso L, Gobbato M, Clagnan E, Del Zotto S, Ottone M, Bisceglia I, Neri A, Serraino D. SARS-CoV-2 Infection, Vaccination and Risk of Death in People with An Oncological Disease in Northeast Italy. J Pers Med 2023; 13:1333. [PMID: 37763101 PMCID: PMC10532764 DOI: 10.3390/jpm13091333] [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: 08/07/2023] [Revised: 08/28/2023] [Accepted: 08/28/2023] [Indexed: 09/29/2023] Open
Abstract
People with a history of cancer have a higher risk of death when infected with SARS-CoV-2. COVID-19 vaccines in cancer patients proved safe and effective, even if efficacy may be lower than in the general population. In this population-based study, we compare the risk of dying of cancer patients diagnosed with COVID-19 in 2021, vaccinated or non-vaccinated against SARS-CoV-2 and residing in Friuli Venezia Giulia or in the province of Reggio Emilia. An amount of 800 deaths occurred among 6583 patients; the risk of death was more than three times higher among unvaccinated compared to vaccinated ones [HR 3.4; 95% CI 2.9-4.1]. The excess risk of death was stronger in those aged 70-79 years [HR 4.6; 95% CI 3.2-6.8], in patients with diagnosis made <1 year [HR 8.5; 95% CI 7.3-10.5] and in all cancer sites, including hematological malignancies. The study results indicate that vaccination against SARS-CoV-2 infection is a necessary tool to be included in the complex of oncological therapies aimed at reducing the risk of death.
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Affiliation(s)
- Lucia Mangone
- Epidemiology Unit, AUSL-IRCCS di Reggio Emilia, 42122 Reggio Emilia, Italy; (L.M.); (P.M.); (I.B.)
| | - Paolo Giorgi Rossi
- Epidemiology Unit, AUSL-IRCCS di Reggio Emilia, 42122 Reggio Emilia, Italy; (L.M.); (P.M.); (I.B.)
| | - Martina Taborelli
- Unit of Cancer Epidemiology, Centro di Riferimento Oncologico di Aviano (CRO) IRCCS, 33081 Aviano, Italy; (M.T.); (F.T.); (L.D.M.); (D.S.)
| | - Federica Toffolutti
- Unit of Cancer Epidemiology, Centro di Riferimento Oncologico di Aviano (CRO) IRCCS, 33081 Aviano, Italy; (M.T.); (F.T.); (L.D.M.); (D.S.)
| | - Pamela Mancuso
- Epidemiology Unit, AUSL-IRCCS di Reggio Emilia, 42122 Reggio Emilia, Italy; (L.M.); (P.M.); (I.B.)
| | - Luigino Dal Maso
- Unit of Cancer Epidemiology, Centro di Riferimento Oncologico di Aviano (CRO) IRCCS, 33081 Aviano, Italy; (M.T.); (F.T.); (L.D.M.); (D.S.)
| | - Michele Gobbato
- Agenzia Regionale di Coordinamento per la Salute Udine, 33100 Udine, Italy; (M.G.); (E.C.); (S.D.Z.)
| | - Elena Clagnan
- Agenzia Regionale di Coordinamento per la Salute Udine, 33100 Udine, Italy; (M.G.); (E.C.); (S.D.Z.)
| | - Stefania Del Zotto
- Agenzia Regionale di Coordinamento per la Salute Udine, 33100 Udine, Italy; (M.G.); (E.C.); (S.D.Z.)
| | - Marta Ottone
- Epidemiology Unit, AUSL-IRCCS di Reggio Emilia, 42122 Reggio Emilia, Italy; (L.M.); (P.M.); (I.B.)
| | - Isabella Bisceglia
- Epidemiology Unit, AUSL-IRCCS di Reggio Emilia, 42122 Reggio Emilia, Italy; (L.M.); (P.M.); (I.B.)
| | - Antonino Neri
- Scientific Directorate, AUSL-IRCCS di Reggio Emilia, 42122 Reggio Emilia, Italy;
| | - Diego Serraino
- Unit of Cancer Epidemiology, Centro di Riferimento Oncologico di Aviano (CRO) IRCCS, 33081 Aviano, Italy; (M.T.); (F.T.); (L.D.M.); (D.S.)
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