China
SARS-CoV-2, influenza, pneumonia, advanced age, severity, ARDS, mortality, Wuhan, China
COVID-19, Critically ill, Organ dsyfunction, Mortality
Coronavirus disease 2019; Acute Respiratory Distress Syndrome;Extracorporeal membrane oxygenation
coronavirus disease 2019; extracorporeal membrane oxygenation; mechanical ventilation; acute respiratory distress syndrome; viral pneumonia