BEIJING -- China's National Health Commission said Wednesday that it received reports of 15 newly confirmed COVID-19 cases on the Chinese mainland on Dec 22, including one locally transmitted case and 14 imported ones.

The locally transmitted case was reported in Liaoning Province, said the commission in its daily report.

No new suspected cases or deaths related to the disease were reported.

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

By the end of Tuesday, a total of 4,163 imported cases had been reported on the mainland. Among them, 3,883 had been discharged from hospitals following recovery, and 280 remained hospitalized. No deaths had been reported among the imported cases.

The total number of confirmed COVID-19 cases on the mainland reached 86,882 by Tuesday, including 320 patients still receiving treatment.

A total of 81,928 patients had been discharged from hospitals following recovery on the mainland, and 4,634 had died of the virus, according to the report.

No suspected COVID-19 case was observed on the mainland as of Tuesday.