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      Occurrence and Timing of Subsequent SARS-CoV-2 RT-PCR Positivity Among Initially Negative Patients

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          Abstract

          Using data for 20,912 patients from two large academic health systems, we analyzed the frequency of SARS-CoV-2 RT-PCR test-discordance among individuals initially testing negative by nasopharyngeal swab who were retested on clinical grounds within 7 days. The frequency of subsequent positivity within this window was 3.5% and similar across institutions.

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          Author and article information

          Journal
          Clinical Infectious Diseases
          Oxford University Press (OUP)
          1058-4838
          1537-6591
          June 07 2020
          June 07 2020
          Affiliations
          [1 ]University of Washington School of Medicine, Department of Anesthesiology & Pain Medicine, Division of Critical Care Medicine, Seattle, WA, USA
          [2 ]Department of Pathology, Stanford University School of Medicine, Stanford, CA, USA
          [3 ]Clinical Virology Laboratory, Stanford Health Care, Stanford, CA, USA
          [4 ]University of Washington School of Medicine, Department of Laboratory Medicine, Seattle, WA, USA
          [5 ]Fred Hutchinson Cancer Research Center, Vaccine and Infectious Disease Division, Seattle, WA, USA
          [6 ]University of Washington School of Medicine, Department of Anesthesiology & Pain Medicine, Seattle, WA, USA
          [7 ]University of Washington School of Medicine, Division of Allergy and Infectious Diseases, Seattle, WA, USA
          [8 ]Division of Infectious Diseases and Geographic Medicine, Department of Medicine, Stanford University School of Medicine, Stanford, CA, USA
          [9 ]Center for Biomedical Informatics Research, Stanford University, Stanford, CA, USA
          [10 ]University of Washington School of Public Health, Department of Epidemiology, Seattle, WA, USA
          Article
          10.1093/cid/ciaa722
          7314163
          32506118
          © 2020

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