A medical worker takes a swab sample from a citizen for nucleic acid test at a testing site in Dongli district in North China's Tianjin, Jan 15, 2022. (PHOTO / XINHUA)

BEIJING - The Chinese mainland on Saturday reported 13 new locally-transmitted COVID-19 infections, the National Health Commission said on Sunday.

A total of 30 new imported COVID-19 cases were reported across the Chinese mainland on Saturday

Of the new local cases, six were reported in Guangxi, two each in Tianjin and Hebei, and one each in Beijing, Hunan and Guangdong, according to the commission.

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In addition, a total of 30 new imported COVID-19 cases were reported across the Chinese mainland on Saturday.

Following the recovery of 104 patients on Saturday, the number of COVID-19 patients currently undergoing treatment has dropped to 1,510.

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There have been no new COVID-19 deaths and the death toll has remained unchanged at 4,636.