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 |
|---|---|
| Pages (from-to) | 1903-1908 |
| Number of pages | 6 |
| Journal | Journal of Infectious Diseases |
| Volume | 226 |
| Issue number | 11 |
| Early online date | 30 Jul 2022 |
| DOIs | |
| Publication status | Published - 1 Dec 2022 |
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 3 Good Health and Well-being
Keywords
- breakthrough infection
- combined antibody response
- SARS-CoV-2
- vaccination
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