Estimating the false-negative test probability of SARS-CoV-2 by RT-PCR.

ConclusionNP samples are more sensitive than OP samples. The later an infected individual is tested after symptom onset, the less likely they are to test positive. This has implications for identifying infected patients, contact tracing and discharging convalescing patients who are potentially still infectious.
PMID: 33334398 [PubMed - in process]

Source: Euro Surveill - December 1, 2020 Category: Infectious Diseases Authors: Wikramaratna PS, Paton RS, Ghafari M, Lourenço J Tags: Euro Surveill Source Type: research