BEIJING -- No new locally-transmitted COVID-19 cases were reported Thursday across the Chinese mainland, the National Health Commission said Friday.

Meanwhile, 15 confirmed COVID-19 cases arriving from outside the mainland were reported -- eight in Shanghai, four in Guangdong, and one each in Liaoning, Sichuan and Shaanxi, the commission said in its daily report.

No new suspected COVID-19 cases or new deaths related to the disease were reported, the commission said.

On Thursday, 19 COVID-19 patients were discharged from hospitals after recovery, the commission said.

By the end of Thursday, a total of 2,619 imported cases had been reported on the mainland. Of them, 2,462 had been discharged from hospitals after recovery, and 157 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 85,168, including the 157 patients still being treated.

Altogether 80,377 people had been discharged after recovery, and 4,634 had died of the disease on the mainland, the commission said.

There was one suspected COVID-19 case on the mainland, while 6,709 close contacts were still under medical observation after 308 were discharged Thursday, according to the commission.