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1. Occurrence and Timing of Subsequent Severe Acute Respiratory Syndrome Coronavirus 2 Reverse-transcription Polymerase Chain Reaction Positivity Among Initially Negative Patients.

Author

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, and Sunshine, Jacob E

Subjects
COVID-19 testing, POLYMERASE chain reaction, REVERSE transcriptase polymerase chain reaction, DESCRIPTIVE statistics, COVID-19, SARS-CoV-2
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. [ABSTRACT FROM AUTHOR]

Published
2021
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