Fig. 1

The status of SARS-CoV-2 viral RNA detection in patients. a The Kaplan-Meier estimates of the duration of SARS-CoV-2 RNA detection after starting favipiravir. b The change from baseline of SARS-CoV-2 viral RNA load by quantitative real-time RT-PCR. c The detection of SARS-CoV-2 viral RNA in individual patients. Day 0 is the day on which treatment with favipiravir was initiated. For each patient, the red bar shows the duration of positive SARS-CoV-2 RNA in throat swabs from illness onset to inclusion, and the yellow bar shows the duration of viral shedding after starting favipiravir. The vertical line segment and diamond represent the last day of favipiravir treatment and the day of discharge, respectively. The red circle indicates that viral RNA was detected in the patient’s swab at the end of the 14-day follow-up period. d Follow-up results after favipiravir stopped