Alliance for Pandemic Preparedness

August 18, 2020

Longitudinal SARS-CoV-2 Serosurveillance of over Ten Thousand Health Care Workers in the Providence Oregon Cohort

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  • [Pre-print, not peer reviewed] A large serosurveillance study (n=10,019) of asymptomatic healthcare workers across Oregon found 2.5% (n=253) had antibodies against SARS-CoV-2. The highest seroprevalence was found among those with a job type of housekeeper (8%). Comparing self-reported swab PCR testing with serology results showed only modest agreement (K=0.47). 

Leidner et al. (Aug 18, 2020). Longitudinal SARS-CoV-2 Serosurveillance of over Ten Thousand Health Care Workers in the Providence Oregon Cohort. Pre-print downloaded Aug 18 from https://doi.org/10.1101/2020.08.16.20176107