Medical workers scan the codes of nucleic acid samples at a testing lab in Sanya, south China's Hainan Province, Aug. 14, 2022. (Xinhua/Zhao Yingquan)
BEIJING, Aug. 20 (Xinhua) -- The Chinese mainland on Friday reported 578 locally-transmitted confirmed COVID-19 cases, of which 469 were in Hainan Province, the National Health Commission said Saturday. ■
