A recovered patient (R) waves to medical staff of a temporary hospital, which applies traditional Chinese medicine (TCM) treatment to patients, in Wuhan, central China's Hubei Province, Feb. 26, 2020. (Xinhua/Shen Bohan)

A staff member arranges masks at a medical equipment company in Suining, southwest China's Sichuan Province, March 6, 2020. (Photo by Liu Changsong/Xinhua)

Workers make protective suits at a medical technology company in Anshan City, northeast China's Liaoning Province, March 2, 2020. (Xinhua/Yao Jianfeng)

A nurse prepares to treat a patient with traditional Chinese medicine (TCM) therapies at a temporary hospital in Jiangxia District in Wuhan, central China's Hubei Province, Feb. 25, 2020. (Xinhua/Shen Bohan)

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. (Xinhua/Li He)

A border inspection police officer gives back documents to a passenger at the Qingdao Liuting International Airport in Qingdao, east China's Shandong Province, March 5, 2020. (Photo by Xie Hao/Xinhua)