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Occurrence and Timing of Subsequent SARS-CoV-2 RT-PCR Positivity Among Initially Negative Patients.
Occurrence and Timing of Subsequent SARS-CoV-2 RT-PCR 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., Shah, V. O., 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. n. 2020Abstract
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.
View details for DOI 10.1093/cid/ciaa722
View details for PubMedID 32506118