A total of 21 confirmed cases arriving from outside the mainland were reported, the commission said in its daily report.

No new suspected cases or deaths related to the disease were reported, the commission added.

Of the new imported cases, 10 were reported in Shaanxi, six in Shanghai, three in Guangdong, and two in Liaoning.

On Thursday, 15 COVID-19 patients were discharged from hospitals after recovery on the Chinese mainland.

By the end of Thursday, a total of 2,972 imported cases had been reported on the mainland. Of them, 2,766 had been discharged from hospitals after recovery, and 206 remained hospitalized, with one in severe condition. No deaths from the imported cases had been reported.

As of Thursday, the total number of confirmed COVID-19 cases on the mainland had reached 85,521, including the 206 patients still being treated.

Altogether 80,681 patients had been discharged after recovery, and 4,634 had died of the disease on the mainland, the commission said.

There were five suspected COVID-19 cases on the mainland, while 7,924 close contacts were still under medical observation after 1,123 were discharged Thursday, according to the commission.