Qiao Jie, an academician with the Chinese Academy of Engineering and director of the Peking University Third Hospital, speaks at a press conference held by the State Council Information Office in Wuhan, central China's Hubei Province, March 4, 2020. Experts who fight against novel coronavirus disease (COVID-19) at the front line met the press via a video press conference, introducing treatment of the COVID-19. (Xinhua/Xiao Yijiu)