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SARS-CoV-2 detection by NPS and OPS. (A) The detection rate (with 95% CI) of NPS and OPS with the development of the time course. (B) Time course (with IQR) of the detectable SARS-CoV-2 by paired NPS and OPS from 120 patients. (C) Time course of the detectable SARS-CoV-2 by paired NPS and OPS form 61 patients who needed one more negative SARS-CoV-2 result to meet the discharge criteria.
