A recovered coronavirus patient says goodbye to a medical staff before she leaving the Tangshan campus of the Second Hospital of Nanjing in Nanjing, east China's Jiangsu Province, Feb. 20, 2020. Nine patients, including a baby less than one year old, were discharged from the Tangshan campus of the Second Hospital of Nanjing on Thursday after they recovered from novel coronavirus infections. (Xinhua/Ji Chunpeng)