Medics from central China's Henan Province provide door-to-door sampling service for residents for nucleic acid testing in Sanya, south China's Hainan Province, Aug. 11, 2022. (Xinhua/Zhao Yingquan)
BEIJING, Aug. 13 (Xinhua) -- The Chinese mainland on Friday reported 646 locally-transmitted confirmed COVID-19 cases, of which 594 were in Hainan Province, the National Health Commission said Saturday. ■