Seroprevalence of anti-SARS-CoV-2 IgG among healthcare workers of a large university hospital in Milan, Lombardy, Italy: a cross-sectional study.
Andrea LombardiDavide MangioniDario ConsonniLisa CarianiPatrizia BonoAnna Paola CantùBasilio TisoMichele CarugnoAntonio MuscatelloGiovanna LunghiAngela Cecilia PesatoriLuciano RiboldiFerruccio CeriottiAlessandra BanderaAndrea GoriPublished in: BMJ open (2021)
SARS-CoV-2 infection occurred undetected in a large fraction of HCWs and it was not associated with working in COVID-19 frontline areas. Beyond the hospital setting, exposure within the community represents an additional source of infection for HCWs.