Peng Zhiyong (R), head of the department of critical care medicine of Zhongnan Hospital, checks diagnosis record of a patient with his colleague in the ICU (intensive care unit) of the Zhongnan Hospital of Wuhan University in Wuhan, central China's Hubei Province, Jan. 24, 2020. By Thursday midnight, Hubei Province in central China reported 549 cumulative confirmed cases of the new coronavirus pneumonia, with 495 in Wuhan, the provincial capital. (Xinhua/Xiong Qi)