A medical team member (L) hugs his colleague before leaving for Hubei Province at the Haikou Meilan International Airport in Haikou, south China's Hainan Province, Feb. 14, 2020. The fouth batch of 124 medical staff of Hainan Province left for Hubei Province on Friday to aid the novel coronavirus control efforts there. (Xinhua/Guo Cheng)

A medical team member carries his luggage before leaving for Hubei Province at the Haikou Meilan International Airport in Haikou, south China's Hainan Province, Feb. 14, 2020. The fouth batch of 124 medical staff of Hainan Province left for Hubei Province on Friday to aid the novel coronavirus control efforts there. (Xinhua/Guo Cheng)

Medical team members leave for Hubei Province at the Haikou Meilan International Airport in Haikou, south China's Hainan Province, Feb. 14, 2020. The fouth batch of 124 medical staff of Hainan Province left for Hubei Province on Friday to aid the novel coronavirus control efforts there. (Xinhua/Guo Cheng)

A medical team member (L) goes to high fives with his colleague before leaving for Hubei Province at the Haikou Meilan International Airport in Haikou, south China's Hainan Province, Feb. 14, 2020. The fouth batch of 124 medical staff of Hainan Province left for Hubei Province on Friday to aid the novel coronavirus control efforts there. (Xinhua/Guo Cheng)