High SARS-CoV-2 antibody prevalence among healthcare workers exposed to COVID-19 patients

Y Chen, X Tong, J Wang, W Huang, S Yin, R Huang… - Journal of Infection, 2020 - Elsevier
The seroprevalence of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) was
examined among 105 healthcare workers (HCWs) exposed to four patients who were
laboratory confirmed with coronavirus disease 2019 (COVID-19), the disease caused by
SARS-CoV-2 infection. These HCWs were immediately under quarantine for 14 days as
soon as they were identified as close contacts. The nasopharyngeal swab samples were
collected on the first and 14 th day of the quarantine, while the serum samples were …