BEIJING -- China's National Health Commission said Monday that it received reports of 16 newly confirmed COVID-19 cases on the Chinese mainland Sunday, including two domestically transmitted cases and 14 imported ones.

All the domestically transmitted cases were reported in Heilongjiang province, the commission said in its daily report.

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

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

By the end of Sunday, a total of 4,035 imported cases had been reported on the mainland. Among them, 3,771 had been discharged from hospitals following recovery, and 264 remained hospitalized. No deaths had been reported among the imported cases.

The total number of confirmed COVID-19 cases on the mainland reached 86,741 by Sunday, including 313 patients still receiving treatment.

A total of 81,794 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 two suspected COVID-19 cases on the mainland as of Sunday, and 7,277 close contacts remained under medical observation.