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

The commission also registered two new asymptomatic patients.

According to the report, the Chinese mainland on Sunday had no patients in critical condition. 

The total number of confirmed cases on the Chinese mainland stands at 83,040 and the cumulative death toll at 4,634, while 201 asymptomatic patients are under medical observation.

Chinese health authorities said nine patients were discharged on Sunday, bringing the total number of recovered cases to 78,341.

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

Hong Kong: 1,106 (1,049 recoveries, 4 deaths)

Macao: 45 (45 recoveries)

Taiwan: 443 (430 recoveries, 7 deaths)