The Chinese mainland registered 33 new COVID-19 cases on Sunday, 32 from overseas and one locally transmitted, the National Health Commission announced.

The sole local transmission was detected in north China's Tianjin Municipality, where a worker at a cold storage facility had been exposed to imported frozen food during work. 

A total of nine new asymptomatic COVID-19 cases were recorded, while 804 asymptomatic patients remain under medical observation. No COVID-19-related deaths were reported on Sunday, and 19 patients were discharged from hospitals after recovering.

As of Sunday, the total number of confirmed COVID-19 cases reached 86,245, with 4,634 fatalities.

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

Hong Kong: 5,374 (5,144 recoveries, 107 deaths)

Macao: 46 (46 recoveries)

Taiwan: 577 (524 recoveries, 7 deaths)