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Occurrence and Timing of Subsequent Severe Acute Respiratory Syndrome Coronavirus 2 Reverse-transcription Polymerase Chain Reaction Positivity Among Initially Negative Patients.
Long, Dustin R; Gombar, Saurabh; Hogan, Catherine A; Greninger, Alexander L; O'Reilly-Shah, Vikas; Bryson-Cahn, Chloe; Stevens, Bryan; Rustagi, Arjun; Jerome, Keith R; Kong, Christina S; Zehnder, James; Shah, Nigam H; Weiss, Noel S; Pinsky, Benjamin A; Sunshine, Jacob E.
  • Long DR; Division of Critical Care Medicine, Department of Anesthesiology and Pain Medicine, University of Washington School of Medicine, Seattle, Washington, USA.
  • Gombar S; Department of Pathology, Stanford University School of Medicine, Stanford, California, USA.
  • Hogan CA; Department of Pathology, Stanford University School of Medicine, Stanford, California, USA.
  • Greninger AL; Clinical Virology Laboratory, Stanford Health Care, Stanford, California, USA.
  • O'Reilly-Shah V; Department of Laboratory Medicine, University of Washington School of Medicine, Seattle, Washington, USA.
  • Bryson-Cahn C; Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Research Center, Seattle, Washington, USA.
  • Stevens B; Department of Anesthesiology and Pain Medicine, University of Washington School of Medicine, Seattle, Washington, USA.
  • Rustagi A; Division of Allergy and Infectious Diseases, University of Washington School of Medicine, Seattle, Washington, USA.
  • Jerome KR; Department of Pathology, Stanford University School of Medicine, Stanford, California, USA.
  • Kong CS; Clinical Virology Laboratory, Stanford Health Care, Stanford, California, USA.
  • Zehnder J; Division of Infectious Diseases and Geographic Medicine, Department of Medicine, Stanford University School of Medicine, Stanford, California, USA.
  • Shah NH; Department of Laboratory Medicine, University of Washington School of Medicine, Seattle, Washington, USA.
  • Weiss NS; Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Research Center, Seattle, Washington, USA.
  • Pinsky BA; Department of Pathology, Stanford University School of Medicine, Stanford, California, USA.
  • Sunshine JE; Department of Pathology, Stanford University School of Medicine, Stanford, California, USA.
Clin Infect Dis ; 72(2): 323-326, 2021 01 27.
Article in English | MEDLINE | ID: covidwho-1050128
ABSTRACT
Using data for 20 912 patients from 2 large academic health systems, we analyzed the frequency of severe acute respiratory syndrome coronavirus 2 reverse-transcription polymerase chain reaction 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 was similar across institutions.
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Full text: Available Collection: International databases Database: MEDLINE Main subject: SARS-CoV-2 / COVID-19 Type of study: Diagnostic study / Prognostic study Limits: Humans Language: English Journal: Clin Infect Dis Journal subject: Communicable Diseases Year: 2021 Document Type: Article Affiliation country: Cid

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Full text: Available Collection: International databases Database: MEDLINE Main subject: SARS-CoV-2 / COVID-19 Type of study: Diagnostic study / Prognostic study Limits: Humans Language: English Journal: Clin Infect Dis Journal subject: Communicable Diseases Year: 2021 Document Type: Article Affiliation country: Cid