Qian Zhenzhen (C), a medical team member from a hospital of traditional Chinese medicine, waves goodbye to well-wishers before leaving for Hubei Province at Xiaoshan International Airport in Xiaoshan District of Hangzhou City, east China's Zhejiang Province, Feb. 9, 2020. Medical teams from across China have been rushing to Hubei Province to aid the novel coronavirus control efforts there. (Xinhua/Huang Zongzhi)