Medical team members Xiong Suping(R) and Gao Rui (front) guide a staff member to analyze samples in Enshi, central China's Hubei Province, Feb. 21, 2020. Experts Xiong Suping and Gao Rui from Tianjin have been at the Enshi Center for Disease Control and Prevention since Feb. 13 to provide guidance to staff members of a newly built laboratory. The laboratory is about to offer technological support to prevent and control the novel coronavirus epidemic. (Photo by Yang Shunpi/Xinhua)