The Chinese mainland recorded 16 new imported COVID-19 cases and no new deaths on Sunday, according to China's National Health Commission (NHC). 

The commission also registered 16 new asymptomatic patients.

The total number of confirmed cases on the Chinese mainland stands at 83,017, the cumulative death toll at 4,634, and 397 asymptomatic patients are under medical observation.

Chinese health authorities said three patients were discharged on Sunday, bringing the total number of recovered cases to 78,307. 

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

Hong Kong: 1,084 (1,037 recoveries, four deaths) 

Macao: 45 (45 recoveries) 

Taiwan: 442 (423 recoveries, seven deaths)