Alliance for Pandemic Preparedness

June 5, 2020

Pre-Procedural Surveillance Testing for SARS-CoV-2 in an Asymptomatic Population in the Seattle Region Shows Low Rates of Positivity

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  • Universal screening of patients prior to admission or a surgical or aerosol-generating procedure in the University of Washington hospital system was instituted on April 13, 2020. Since that time, 10% of patients with COVID-19 symptoms were SARS-CoV-2 positive compared to fewer than 1% of asymptomatic individuals. 

Mays et al. (June 3, 2020). Pre-Procedural Surveillance Testing for SARS-CoV-2 in an Asymptomatic Population in the Seattle Region Shows Low Rates of Positivity. Journal of Clinical Microbiology. https://doi.org/10.1128/JCM.01193-20