Prevalence and incidence of anti-SARS-CoV-2 antibodies among healthcare workers in Belgian hospitals before vaccination: a prospective cohort studyObjectivesDesignSettingParticipantsOutcome measuresResultsConclusionsTrial registration number
Prevalence and incidence of anti-SARS-CoV-2 antibodies among healthcare workers in Belgian hospitals before vaccination: a prospective cohort studyObjectivesDesignSettingParticipantsOutcome measuresResultsConclusionsTrial registration number