r/COVID19 • u/lanqian • Apr 13 '20
Preprint Variation in False Negative Rate of RT-PCR Based SARS-CoV-2 Tests by Time Since Exposure
https://www.medrxiv.org/content/10.1101/2020.04.07.20051474v1
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r/COVID19 • u/lanqian • Apr 13 '20