Prevalence and incidence of anti-SARS-CoV-2 antibodies among healthcare workers in Belgian hospitals before vaccination: a prospective cohort study.

Last updated on 30-11-2021 by Laure Mortgat

Public Access


Peer reviewed scientific article



OBJECTIVES: To describe prevalence and incidence of anti-SARS-CoV-2 antibodies among Belgian hospital healthcare workers (HCW) in April-December 2020. DESIGN: Prospective cohort study. Follow-up was originally planned until September and later extended. SETTING: Multicentre study, 17 hospitals. PARTICIPANTS: 50 HCW were randomly selected per hospital. HCW employed beyond the end of the study and whose profession involved contact with patients were eligible. 850 HCW entered the study in April-May 2020, 673 HCW (79%) attended the September visit and 308 (36%) the December visit. O…

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