The Chinese mainland registered 23 new confirmed COVID-19 cases on Saturday, with eight cases from overseas and 15 domestically transmitted, Chinese health authority said Sunday. 

All of the 15 domestically-transmitted cases are in northwest China's Xinjiang Uygur Autonomous Region. 

No deaths related to the disease were reported Saturday, while 45 COVID-19 patients were discharged from hospitals. 

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

Hong Kong: 4,007 (2,755 recoveries, 47 deaths) 

Macao: 46 (46 recoveries) 

Taiwan: 477 (441 recoveries, 7 deaths)