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Correlation between postvaccination anti-spike antibody titers and protection against breakthrough severe acute respiratory syndrome coronavirus 2 infection: a population-based longitudinal study

  • Giulia Vivaldi*
  • , David A. Jolliffe
  • , Sian Faustini
  • , Adrian M. Shields
  • , Hayley Holt
  • , Natalia Perdek
  • , Mohammad Talaei
  • , Florence Tydeman
  • , Emma S. Chambers
  • , Weigang Cai
  • , Wenhao Li
  • , Joseph M. Gibbons
  • , Corinna Pade
  • , Áine McKnight
  • , Seif O. Shaheen
  • , Alex G. Richter
  • , Adrian R. Martineau
  • *Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

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 languageEnglish
Pages (from-to)1903-1908
Number of pages6
JournalJournal of Infectious Diseases
Volume226
Issue number11
Early online date30 Jul 2022
DOIs
Publication statusPublished - 1 Dec 2022

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 3 - Good Health and Well-being
    SDG 3 Good Health and Well-being

Keywords

  • breakthrough infection
  • combined antibody response
  • SARS-CoV-2
  • vaccination

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