Extended Data Fig. 5: Computed tomographic scans of three typical patients.
From: Viral and host factors related to the clinical outcome of COVID-19

a, Asymptomatic; b, mild; c, critical. Days after admission to hospital are shown above scans. Computed tomography scans were performed once for each patient on a specific date during treatment. Images are representative of 5 asymptomatic, 7 mild and 13 critical cases.