Prevalence and incidence of antibodies against SARS-CoV-2 among primary healthcare providers in Belgium during 1 year of the COVID-19 epidemic: prospective cohort study protocol.
Niels AdriaenssensBeatrice ScholtesRobin BruyndonckxJan Yvan Jos VerbakelAn De SutterStefan HeytensAnn Van den BruelIsabelle DesomberePierre Van DammeHerman GoossensLaëtitia BuretEls DuysburghSamuel CoenenPublished in: BMJ open (2022)
NCT04779424.