Li Xue (R), a medical staff member from Jiangsu Province, works at an ICU ward of the First Hospital of Wuhan City in Wuhan, central China's Hubei Province, Feb. 22, 2020. Medical personnel from across the country have exerted their utmost effort to treat the COVID-19 patients at the ICU wards in the hospital. (Xinhua/Xiao Yijiu)