The proportion of asymptomatic carriers of SARS-CoV-2 remains elusive, so the potential benefit of systematic screening during the SARS-CoV-2-pandemic is controversial. We investigate the proportion of asymptomatic inpatients who were identified by systematic screening for SARS-CoV-2 upon hospital admission. Adult patients admitted to the University Hospital Basel from 01.04.-14.06.2020 were routinely tested for SARS-CoV-2 within 72 hours of admission by nasopharyngeal swabs. Each patient screened during the study period was retrospectively classified symptomatic or asymptomatic for COVID-19 based on medical chart review.
Study Type
OBSERVATIONAL
Enrollment
4,099
All Patients admitted to the hospital were routinely tested for SARS-CoV-2 within 72 hours of admission by nasopharyngeal swabs.
University Hospital Basel, Division of Infectious Diseases and Hospital Epidemiology
Basel, Switzerland
Proportion of SARS-CoV-2 -infected patients
We aim to determine the proportion of SARS-CoV-2-infected patients detected by systematic at-admission screening
Time frame: 01.04.2020-14.06.2020
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