A medical worker signs autograph during the departure ceremony at Wuhan Leishenshan Hospital in Wuhan, Central China's Hubei Province, March 29, 2020. A total of 1,090 medical workers from Liaoning, Shanghai, Jilin, Guangdong, Shanxi and Hebei left Wuhan on Sunday after finishing their task at Wuhan Leishenshan Hospital. (Xinhua/Cai Yang)

Medical workers sign autographs during the departure ceremony at Wuhan Leishenshan Hospital in Wuhan, Central China's Hubei Province, March 29, 2020. A total of 1,090 medical workers from Liaoning, Shanghai, Jilin, Guangdong, Shanxi and Hebei left Wuhan on Sunday after finishing their task at Wuhan Leishenshan Hospital. (Xinhua/Cai Yang)

Yu Xin, a nurse from the First Hospital of Dalian Medical University, cries on the departure ceremony at Wuhan Leishenshan Hospital in Wuhan, Central China's Hubei Province, March 29, 2020. A total of 1,090 medical workers from Liaoning, Shanghai, Jilin, Guangdong, Shanxi and Hebei left Wuhan on Sunday after finishing their task at Wuhan Leishenshan Hospital. (Xinhua/Cai Yang)

A medical worker signs her name during the departure ceremony at Leishenshan Hospital in Wuhan, central China's Hubei Province, March 29, 2020. A total of 1,090 members of different medical assistance teams from Liaoning, Shanghai, Jilin, Guangdong, Shanxi and Hebei left the Leishenshan Hospital on Sunday as the epidemic outbreak in the hard-hit province has been subdued. (Xinhua/Cai Yang)

Aerial photo shows medical workers attending the departure ceremony at Leishenshan Hospital in Wuhan, central China's Hubei Province, March 29, 2020. A total of 1,090 members of different medical assistance teams from Liaoning, Shanghai, Jilin, Guangdong, Shanxi and Hebei left the Leishenshan Hospital on Sunday as the epidemic outbreak in the hard-hit province has been subdued. (Xinhua/Cai Yang)