Medics supporting virus-hit Hubei Province wave on the bus to greeters upon their arrival at Guiyang Longdongbao International Airport in Guiyang, southwest China's Guizhou Province, March 20, 2020. Medical assistance teams from Guizhou, which consists of 433 members, left Hubei Province as the epidemic outbreak in the hard-hit province has been subdued. (Xinhua/Yang Wenbin)

Medics supporting virus-hit Hubei Province gestures on the bus at Guiyang Longdongbao International Airport in Guiyang, southwest China's Guizhou Province, March 20, 2020. Medical assistance teams from Guizhou, which consists of 433 members, left Hubei Province as the epidemic outbreak in the hard-hit province has been subdued. (Xinhua/Yang Wenbin)

Medics supporting virus-hit Hubei Province gesture to greeters upon their arrival at Guangzhou South Railway Station in Guangzhou, south China's Guangdong Province, March 20, 2020. Medical assistance teams from Guangzhou, which consists of over 1,000 members, left Hubei Province in batches as the epidemic outbreak in the hard-hit province has been subdued. (Xinhua/Deng Hua)

Medics supporting virus-hit Hubei Province arrive at Guangzhou South Railway Station in Guangzhou, south China's Guangdong Province, March 20, 2020. Medical assistance teams from Guangzhou, which consists of over 1,000 members, left Hubei Province in batches as the epidemic outbreak in the hard-hit province has been subdued. (Xinhua/Deng Hua)