Fig. 2From: Epidemiological and clinical based study on four passages of COVID-19 patients: intervention at asymptomatic period contributes to early recoverySchematic chart for time point from contact to discharge of P2 and P4 patients. C: contacting with confirmed patient; Nuclear acid (+): nucleic acid assay positive; Nuclear acid (−): nucleic acid assay negative; Confirmed time: the time confirmed to be COVID-10 patientBack to article page