Zhang Guimin (R) and Wu Wei, members of the medical team, gesture before they leave for Wuhan of Hubei Province, in Qingdao, east China's Shandong Province, Jan. 30, 2020. Seven medical workers from two private hospitals in Qingdao, formed a medical team and left for Wuhan to aid the coronavirus control efforts there on Jan 30. (Xinhua/Wang Kai)