Photo taken on Jan. 24, 2020 shows a medical aid team of Army Medical University leaving for Wuhan in southwest China's Chongqing. On the Chinese Lunar New Year's Eve, a group of 150 medical workers from the Army Medical University left for Wuhan, the center of the novel coronavirus (2019-nCoV) outbreak, to provide medical aid. (Xinhua)

Photo taken on Jan. 24, 2020 shows a medical aid team of Army Medical University leaving for Wuhan in southwest China's Chongqing. On the Chinese Lunar New Year's Eve, a group of 150 medical workers from the Army Medical University left for Wuhan, the center of the novel coronavirus (2019-nCoV) outbreak, to provide medical aid. (Xinhua)

Medical workers of Army Medical University assemble before leaving for Wuhan in southwest China's Chongqing, Jan. 24, 2020. On the Chinese Lunar New Year's Eve, a group of 150 medical workers from the Army Medical University left for Wuhan, the center of the novel coronavirus (2019-nCoV) outbreak, to provide medical aid. (Xinhua)

Photo taken on Jan. 24, 2020 shows a medical aid team of Army Medical University assembling before leaving for Wuhan in southwest China's Chongqing. On the Chinese Lunar New Year's Eve, a group of 150 medical workers from the Army Medical University left for Wuhan, the center of the novel coronavirus (2019-nCoV) outbreak, to provide medical aid. (Xinhua)