Professor Cao Bin, head of the antiviral drug Remdesivir's clinical trial program, speaks at a conference in Wuhan, central China's Hubei Province, Feb. 5, 2020. The registration for clinical trials on the antiviral drug Remdesivir has been approved, and the first batch of pneumonia patients infected by the novel coronavirus (2019-nCoV) are expected to start taking the drug on Thursday, according to an official conference Wednesday. (Xinhua/Cheng Min)