Population antibody responses following COVID-19 vaccination in 212,102 individuals

Ward, Helen and Whitaker, Matthew and Flower, Barnaby and Tang, Sonja N. and Atchison, Christina and Darzi, Ara and Donnelly, Christl A. and Cann, Alexandra and Diggle, Peter J. and Ashby, Deborah and Riley, Steven and Barclay, Wendy S. and Elliott, Paul and Cooke, Graham S. (2022) Population antibody responses following COVID-19 vaccination in 212,102 individuals. Nature Communications, 13 (1): 907. ISSN 2041-1723

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Abstract

Abstract: Population antibody surveillance helps track immune responses to COVID-19 vaccinations at scale, and identify host factors that may affect antibody production. We analyse data from 212,102 vaccinated individuals within the REACT-2 programme in England, which uses self-administered lateral flow antibody tests in sequential cross-sectional community samples; 71,923 (33.9%) received at least one dose of BNT162b2 vaccine and 139,067 (65.6%) received ChAdOx1. For both vaccines, antibody positivity peaks 4-5 weeks after first dose and then declines. At least 21 days after second dose of BNT162b2, close to 100% of respondents test positive, while for ChAdOx1, this is significantly reduced, particularly in the oldest age groups (72.7% [70.9–74.4] at ages 75 years and above). For both vaccines, antibody positivity decreases with age, and is higher in females and those with previous infection. Antibody positivity is lower in transplant recipients, obese individuals, smokers and those with specific comorbidities. These groups will benefit from additional vaccine doses.

Item Type:
Journal Article
Journal or Publication Title:
Nature Communications
Uncontrolled Keywords:
/dk/atira/pure/subjectarea/asjc/1300/1300
Subjects:
?? epidemiologysars-cov-2viral infectiongeneral biochemistry,genetics and molecular biologygeneral chemistrygeneral physics and astronomybiochemistry, genetics and molecular biology(all)chemistry(all)physics and astronomy(all) ??
ID Code:
166974
Deposited By:
Deposited On:
08 Mar 2022 16:50
Refereed?:
Yes
Published?:
Published
Last Modified:
16 Jul 2024 11:48