The Chinese mainland registered new COVID-19 cases on Tuesday, 16 from overseas and one locally transmitted, the National Health Commission announced on Wednesday.

The sole local transmission was detected in east China's Anhui Province, said the commission.

A total of 15 new asymptomatic COVID-19 cases were recorded, while 776 asymptomatic patients remain under medical observation. No COVID-19-related deaths were reported on Tuesday, and 21 patients were discharged from hospitals after recovering.

As of Tuesday, the total number of confirmed COVID-19 cases reached 86,284, 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: 5,389 (5,153 recoveries, 107 deaths)

Macao: 46 (46 recoveries)

Taiwan: 580 (528 recoveries, 7 deaths)