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Universal Admission Screening for SARS-CoV-2 Infections among Hospitalized Patients, Switzerland, 2020
Switzerland began a national lockdown on March 16, 2020, in response to the rapid spread of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). We assessed the prevalence of SARS-CoV-2 infection among patients admitted to 4 hospitals in the canton of Zurich, Switzerland, in April 2020. These 4 acute care hospitals screened 2,807 patients, including 2,278 (81.2%) who did not have symptoms of coronavirus disease (COVID-19). Overall, 529 (18.8%) persons had >1 symptom of COVID-19, ofdoi:10.5167/uzh-207371 fatcat:clkamvz6ybfudoyw3z2kkgxd2q