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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.
Occurrence and Timing of Subsequent Severe Acute Respiratory Syndrome Coronavirus 2 Reverse-transcription Polymerase Chain Reaction Positivity Among Initially Negative Patients. Clinical infectious diseases : an official publication of the Infectious Diseases Society of America Long, D. R., Gombar, S. n., Hogan, C. A., Greninger, A. L., O'Reilly-Shah, V. n., Bryson-Cahn, C. n., Stevens, B. n., Rustagi, A. n., Jerome, K. R., Kong, C. S., Zehnder, J. n., Shah, N. H., Weiss, N. S., Pinsky, B. A., Sunshine, J. E. 2021; 72 (2): 323–26Abstract
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.
View details for DOI 10.1093/cid/ciaa722
View details for PubMedID 33543250