Ms Lin (1st R), 77, and Mr Guo (2nd R), 68, pose for a photo before leaving the hospital after they recovered from novel coronavirus pneumonia (NCP) in Yinchuan, northwest China's Ningxia Hui Autonomous Region, Feb. 20, 2020. Two patients were discharged from the Fourth People's Hospital of Ningxia Hui Autonomous Region on Thursday after they recovered from novel coronavirus infections. (Xinhua/Feng Kaihua)