A total of 16 new COVID-19 cases were registered on the Chinese mainland Saturday, of which 13 were cases of domestic transmissions, the Chinese health authority said Sunday.

The 13 domestically transmitted cases were reported in northwest China's Xinjiang Uygur Autonomous Region, the National Health Commission said in its daily report. As of Saturday, a total of 30 cases were reported in Xinjiang. 

No deaths related to the disease were reported on the Chinese mainland on Saturday.

The commission said 17 patients were discharged from hospitals after recovery on the Chinese mainland Saturday, bringing the total number of recovered cases to 78,775.

The total number of confirmed cases on the Chinese mainland stands at 83,660 and the cumulative death toll at 4,634, with 147 asymptomatic patients under medical observation.

Total confirmed cases in the Hong Kong and Macao special administrative regions and the Taiwan region are as follows:

Hong Kong: 1,777 (1,274 recoveries, 12 deaths)

Macao: 46 (46 recoveries)

Taiwan: 454 (440 recoveries, seven deaths)