Abstract
In this population-based cohort of 7538 adults, combined immunoglobulin (Ig) G, IgA, and IgM (IgG/A/M) anti-spike titers measured after severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) vaccination were predictive of protection against breakthrough SARS-CoV-2 infection. Discrimination was significantly improved by adjustment for factors influencing risk of SARS-CoV-2 exposure, including household overcrowding, public transport use, and visits to indoor public places. Anti-spike IgG/A/M titers showed positive correlation with neutralizing antibody titers (rs = 0.80 [95% confidence interval, .72-.86]; P < .001) and S peptide-stimulated interferon-γ concentrations (rs = 0.31 [.13-.47]; P < .001).
Original language | English |
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Pages (from-to) | 1903-1908 |
Number of pages | 6 |
Journal | The Journal of Infectious Diseases |
Volume | 226 |
Issue number | 11 |
Early online date | 30 Jul 2022 |
DOIs | |
Publication status | Published - 1 Dec 2022 |
Bibliographical note
Financial support:This work was supported by Barts Charity (grants MGU0466 to A. R. M., MGU0459 to D. A. J. and E. S. C., and MGU0558 to J. M. G. and A. M.); by the Fischer Family Trust, The Exilarch’s Foundation, and DSM Nutritional Products (donations to Queen Mary University of London); the Rosetrees Trust and The Bloom Foundation (grant M771 to M. T.); the Rosetrees Trust (grant CF1\100003 to J. M. G. and A. M.); and the John Black Charitable Foundation (grant M946 to A. M.).
Copyright:
© The Author(s) 2022. Published by Oxford University Press on behalf of Infectious Diseases Society of America. All rights reserved. For permissions, please e-mail: [email protected].
Keywords
- Adult
- Humans
- COVID-19/prevention & control
- SARS-CoV-2
- Longitudinal Studies
- Immunologic Tests
- Immunoglobulin G
- Antibodies, Viral