Medical workers hold the baby girl with no infection born by a woman infected with novel coronavirus pneumonia at the Second Affiliated Hospital of Xi'an Jiaotong University in Xi'an, capital of northwest China's Shaanxi Province, Feb. 15, 2020. The woman who were infected with novel coronavirus pneumonia and gave birth to a baby girl with no infection was cured and discharged from hospital on Saturday. (Xinhua/Li Yibo)

A woman who was infected with novel coronavirus pneumonia and gave birth to a baby girl with no infection says goodbye to medical workers of the Second Affiliated Hospital of Xi'an Jiaotong University in Xi'an, capital of northwest China's Shaanxi Province, Feb. 15, 2020. The woman who were infected with novel coronavirus pneumonia and gave birth to a baby girl with no infection was cured and discharged from hospital on Saturday. (Xinhua/Li Yibo)

A medical worker holds the baby girl with no infection born by a woman infected with novel coronavirus pneumonia in an ambulance at the Second Affiliated Hospital of Xi'an Jiaotong University in Xi'an, capital of northwest China's Shaanxi Province, Feb. 15, 2020. The woman who were infected with novel coronavirus pneumonia and gave birth to a baby girl with no infection was cured and discharged from hospital on Saturday. (Xinhua/Li Yibo)

A medical worker holds the baby girl with no infection born by a woman infected with novel coronavirus pneumonia in an ambulance at the Second Affiliated Hospital of Xi'an Jiaotong University in Xi'an, capital of northwest China's Shaanxi Province, Feb. 15, 2020. The woman who were infected with novel coronavirus pneumonia and gave birth to a baby girl with no infection was cured and discharged from hospital on Saturday. (Xinhua/Li Yibo)