The Chinese mainland on Thursday reported 22 newly confirmed COVID-19 cases, including 9 locally transmitted cases and 13 imported cases, the National Health Commission said Friday.

People have their information registered before COVID-19 nucleic acid testing in Liwan District of Guangzhou, south China's Guangdong Province, June 8, 2021. A new round of mass testing in high-risk areas of Baihedong Street and Zhongnan Street in Guangzhou started on Tuesday. (Xinhua/Deng Hua)

All of the locally transmitted cases were reported in Guangdong Province, the commission said in its daily report.

Of the imported cases, three were reported in Fujian, two each in Shanghai, Guangdong and Sichuan, one each Beijing, Jiangsu, Zhejiang and Yunnan.

Also on Thursday, 25 asymptomatic cases were reported on the mainland. And a total of 379 asymptomatic patients are under medical observation.

There were 426 active cases, including 12 in critical condition on Chinese mainland as of Thursday. No deaths related to the disease were reported, while 12 COVID-19 patients were discharged from hospitals.

The total number of confirmed cases on the Chinese mainland stands at 91,359 and the cumulative death toll is at 4,636.