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Continue to ChatComes during the first week of its symptoms during the pandemic. Some studies have demonstrated a significant number of false-negative RT-PCR tests. It is the current gold standard diagnostic test for this virus and has sensitivity of 60-70%. The QUADAS 2 tool was used for methodological quality evaluation. https://www.umdaa.co/blogs/1375/reverse-transcriptase-polymerase-chain-reaction-versus-chest-computed-tomography-for-detecting-early-symptoms-of-covid-19-a-diagnostic-accuracy-systematic-review-and-meta-analysis