A plane carrying medics supporting virus-hit Xiaogan City of Hubei Province arrives at Chongqing Jiangbei International Airport in Chongqing, southwest China, March 23, 2020. [Photo/Xinhua]

Medics supporting virus-hit Xiaogan City of Hubei Province arrive at Chongqing Jiangbei International Airport in Chongqing, southwest China, March 23, 2020. [Photo/Xinhua]

A total of 669 members of medical assistance team from Chongqing Municipality returned home on Monday after finishing their task in fighting the COVID-19 epidemic in Xiaogan of Hubei Province. [Photo/Xinhua]

A plane carrying medics supporting virus-hit Yichang City of Hubei Province arrives at an airport in Fuzhou, southeast China's Fujian Province, March 23, 2020. [Photo/Xinhua]

A bus carrying medics supporting virus-hit Yichang City of Hubei Province heads for designated facilities for quarantine after their arrival in Fuzhou, southeast China's Fujian Province, March 23, 2020. [Photo/Xinhua]

Medics supporting virus-hit Hubei Province arrive at the Taiyuan Wusu International Airport in Taiyuan, north China's Shanxi Province, March 23, 2020. [Photo/Xinhua]

Family of medics supporting virus-hit Hubei Province welcome their family members to come back in Taiyuan, north China's Shanxi Province, March 23, 2020. [Photo/Xinhua]

An airplane carrying medics supporting virus-hit Hubei Province arrives at Taiyuan Wusu International Airport in Taiyuan, north China's Shanxi Province, March 23, 2020. [Photo/Xinhua]