Medical worker Li Zuofan (L) and his colleague Zhao Jianping present blessings to each other at an intensive care ward of the novel coronavirus infection cases at a branch of Tongji Hospital affiliated to Tongji Medical College of Huazhong University of Science and Technology in Wuhan, central China's Hubei Province, Feb. 18, 2020. Li Zuofan, 39, is a doctor working at the anesthesiology department in the Tongji Hospital. He got infected with the novel coronavirus (COVID-19) when performing an operation with a novel coronavirus infection case. Through treatment, Li has recovered a lot and hoped to return to his duty after recovery as soon as possible. (Xinhua/Wang Yuguo)