The Association Between Prebooster Vaccination Antibody Levels and the Risk of Severe Acute Respiratory Syndrome Coronavirus 2 Infection

Noam Barda, Michal Canetti, Mayan Gilboa, Keren Asraf, Victoria Indenboim, Yael Weiss-Ottolenghi, Sharon Amit, Daniel Zubli, Ram Doolman, Ella Mendelson, Laurence S. Freedman, Yitshak Kreiss, Yaniv Lustig, Gili Regev-Yochay

Research output: Contribution to journalArticlepeer-review

6 Scopus citations

Abstract

The correlation between anti-severe acute respiratory syndrome coronavirus 2 antibody levels and infection was reported. Here, we estimated the role of pre-fourth dose levels using data from 1098 healthcare workers. The risk of infection was reduced by 46% (95% confidence interval, 29%-59%) for each 10-fold increase in prebooster levels. Prebooster antibody levels could be used to optimally time boosters.

Original languageEnglish
Pages (from-to)1315-1317
Number of pages3
JournalClinical Infectious Diseases
Volume76
Issue number7
DOIs
StatePublished - 3 Apr 2023

Keywords

  • boosters
  • IgG levels
  • infection risk
  • mRNA vaccines
  • SARS-CoV-2

ASJC Scopus subject areas

  • Microbiology (medical)
  • Infectious Diseases

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