A medical worker works in an air-inflated testing lab in Chengdu, southwest China's Sichuan Province, Sept. 5, 2022. (Xinhua/Liu Qiong)
BEIJING, Sept. 23 (Xinhua) -- The Chinese mainland on Thursday reported 121 locally transmitted confirmed COVID-19 cases, with Sichuan and Guizhou provinces reporting 43 cases each, according to the National Health Commission's report on Friday. ■