BEIJING - The Chinese mainland on Wednesday reported no new locally transmitted COVID-19 cases, the National Health Commission said on Dec 16.

A total of seven imported COVID-19 cases were reported across the mainland Wednesday, the commission said in its daily report.

One new suspected case was reported in Heilongjiang. No new deaths related to the disease were reported.

A total of 21 COVID-19 patients were discharged from hospitals after recovery on the Chinese mainland on Wednesday.

By the end of Wednesday, a total of 4,068 imported cases had been reported on the mainland. Among them, 3,808 had been discharged from hospitals following recovery, and 260 remained hospitalized. No deaths had been reported among the imported cases.

The total number of confirmed COVID-19 cases on the mainland reached 86,777 by Wednesday, including 301 patients still receiving treatment.

A total of 81,842 patients had been discharged from hospitals following recovery on the mainland, and 4,634 had died of the virus, according to the report.

There were four suspected COVID-19 cases on the mainland as of Wednesday, and 6,792 close contacts remained under medical observation.

Wednesday also saw six newly reported asymptomatic cases on the mainland. On the same day, no asymptomatic cases were re-categorized as confirmed ones.

A total of 198 asymptomatic cases were under medical observation, out of which 179 were imported cases, the commission said.

By the end of Wednesday, 7,803 confirmed COVID-19 cases, including 123 deaths, had been reported in Hong Kong Special Administrative Region (SAR), while 46 confirmed cases had been reported in Macao SAR, and 749 cases, including seven deaths, in Taiwan.

Altogether 6,439 COVID-19 patients in Hong Kong SAR had been discharged from hospitals following recovery, while 46 had been discharged from hospitals in Macao SAR, and 612 in Taiwan.