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Low Utility of Repeat Real-Time PCR Testing for SARS-CoV-2 in Clinical Specimens.
Challener, Douglas W; Shah, Aditya; O'Horo, John C; Berbari, Elie; Binnicker, Matthew J; Tande, Aaron J.
  • Challener DW; Division of Infectious Disease, Mayo Clinic, Rochester, MN. Electronic address: challener.douglas@mayo.edu.
  • Shah A; Division of Infectious Disease, Mayo Clinic, Rochester, MN.
  • O'Horo JC; Division of Infectious Disease, Mayo Clinic, Rochester, MN; Division of Pulmonary and Critical Care Medicine, Mayo Clinic, Rochester, MN.
  • Berbari E; Division of Infectious Disease, Mayo Clinic, Rochester, MN.
  • Binnicker MJ; Division of Clinical Microbiology, Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, MN.
  • Tande AJ; Division of Infectious Disease, Mayo Clinic, Rochester, MN.
Mayo Clin Proc ; 95(9): 1942-1945, 2020 09.
Article in English | MEDLINE | ID: covidwho-625927
ABSTRACT
In a multicenter cohort of 22,315 patients tested for COVID-19, 1676 (7.5%) had repeat testing via real-time polymerase chain reaction following an initial negative test. Of those retested within 7 days of their first negative test, only 2.0% had a positive result. This suggests that repeat testing from the same source is unlikely to provide additional information.
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Full text: Available Collection: International databases Database: MEDLINE Main subject: Pneumonia, Viral / Coronavirus Infections / Clinical Laboratory Techniques / Real-Time Polymerase Chain Reaction / Betacoronavirus Type of study: Cohort study / Diagnostic study / Observational study / Prognostic study Limits: Female / Humans / Male Language: English Journal: Mayo Clin Proc Year: 2020 Document Type: Article

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Full text: Available Collection: International databases Database: MEDLINE Main subject: Pneumonia, Viral / Coronavirus Infections / Clinical Laboratory Techniques / Real-Time Polymerase Chain Reaction / Betacoronavirus Type of study: Cohort study / Diagnostic study / Observational study / Prognostic study Limits: Female / Humans / Male Language: English Journal: Mayo Clin Proc Year: 2020 Document Type: Article