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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
Author(s) -
Dustin R. Long,
Saurabh Gombar,
Catherine A. Hogan,
Alexander L. Greninger,
Vikas N. O’Reilly-Shah,
Chloe BrysonCahn,
Bryan Stevens,
Arjun Rustagi,
Keith R. Jerome,
Christina S. Kong,
James L. Zehnder,
Nigam H. Shah,
Noel S. Weiss,
Benjamin A. Pinsky,
Jacob E. Sunshine
Publication year - 2020
Publication title -
clinical infectious diseases
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 3.44
H-Index - 336
eISSN - 1537-6591
pISSN - 1058-4838
DOI - 10.1093/cid/ciaa722
Subject(s) - medicine , reverse transcription polymerase chain reaction , polymerase chain reaction , coronavirus , reverse transcriptase , respiratory system , covid-19 , immunology , virology , disease , gene , infectious disease (medical specialty) , biology , messenger rna , genetics
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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