Medical team members of Chongqing Health Center for Woman and Children cheer for each other before leaving for Hubei Province at Chongqing Jiangbei International Airport in southwest China's Chongqing, Feb. 15, 2020. The ninth batch of 100 medical workers from Chongqing left for Hubei Province on Saturday to aid the novel coronavirus control efforts there. (Photo by Huang Wei/Xinhua)