Fig. 3From: Development and validation of a nomogram to predict failure of 14-day negative nucleic acid conversion in adults with non-severe COVID-19 during the Omicron surge: a retrospective multicenter studyKaplan–Meier survival curves for the viral shedding time. Kaplan–Meier survival curves demonstrate the viral shedding time in the training set, according to age (A), comorbidity (B), vaccination status (C), and antiviral treatment (D), respectivelyBack to article page