We measured severe acute respiratory syndrome coronavirus 2 spike protein subunits S1/S2 antibodies by using capillary electrophoresis and a chemiluminescence immunoassay for 5,444 active healthcare workers in Italy. Seroprevalence was 6.9% and higher among participants having contact with patients. Seroconversion was not observed in 37/213 previously infected participants.
Risk for SARS-CoV-2 Infection in Healthcare Workers, Turin, Italy
Calcagno, Andrea;Trunfio, Mattia;Boglione, Lucio;Audagnotto, Sabrina;D'Avolio, Antonio;Bonora, Stefano;Di Perri, Giovanni
2021-01-01
Abstract
We measured severe acute respiratory syndrome coronavirus 2 spike protein subunits S1/S2 antibodies by using capillary electrophoresis and a chemiluminescence immunoassay for 5,444 active healthcare workers in Italy. Seroprevalence was 6.9% and higher among participants having contact with patients. Seroconversion was not observed in 37/213 previously infected participants.
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