The second batch of 16 ECMO equipment arrived in the virus-hit Wuhan to support patient treatment. (Photos: Xinhua)

A staff member loads the extracorporeal membrane oxygenation (ECMO) equipment on a transporting vehicle at the Wuhan Tianhe International Airport in Wuhan, central China's Hubei Province, Feb. 27, 2020.

Staff members load the extracorporeal membrane oxygenation (ECMO) equipment on a transporting vehicle at the Wuhan Tianhe International Airport in Wuhan, central China's Hubei Province, Feb. 27, 2020.

Staff members unload container for extracorporeal membrane oxygenation (ECMO) equipment from plane at the Wuhan Tianhe International Airport in Wuhan, central China's Hubei Province, Feb. 27, 2020.