Infect Control Hosp Epidemiol. 2020 Aug 3:1-7. doi: 10.1017/ice.2020.390. Online ahead of print.
Healthcare employees were tested for antibodies against SARS-CoV-2. Among 734 employees, the prevalence of SARS-CoV-2 antibodies was 1.6%. Employees with heavy COVID-19 exposure had similar antibody prevalence as those with limited or no exposure. Guidelines for PPE use seem effective for preventing COVID-19 infection in healthcare workers.