[\'Department of Gastroenterology.\', \'Department of Internal Medicine.\', \'Diabetes Center.\', \'Division of Clinical Laboratory.\', \'Infection Control Office, Toyonaka Municipal Hospital, Osaka, Japan.\']
Seroprevalence of SARS-CoV-2 antibodies among 925 staff members in an urban hospital accepting COVID-19 patients in Osaka prefecture, Japan: A cross-sectional study.