A member of a medical team of the Xiangya Hospital of Central South University says goodbye to his family before setting out for Hubei Province in Changsha, central China's Hunan Province, Feb. 7, 2020. The third batch of medical teams comprised of 130 members from the Xiangya Hospital of Central South University set off on Friday to aid the coronavirus control efforts in Hubei. (Xinhua/Chen Zhenhai)