Medical staff from across China provide medical aid for Wuhan

Medical staff prepare to board train at Nanjing South Railway Station in Nanjing, east China's Jiangsu Province, Jan. 25, 2020. The first group of 147 medical staff of Jiangsu Province left for Wuhan, the center of the novel coronavirus (2019-nCoV) outbreak, to provide medical aid. (Xinhua/Li Bo)