A medical team member (L) of Gansu Provincial Maternity and Child-care Hospital, who has her hair cut to better fit the protective outfits, says goodbye to a colleague before leaving for Wuhan in Lanzhou, northwest China's Gansu Province, Feb. 15, 2020. A team comprised of 102 medical workers from Gansu Province left for Wuhan on Saturday to aid the novel coronavirus control efforts there. (Xinhua/Chen Bin)