BEIJING, April 28 (Xinhua) -- Chinese health authority said Tuesday that it received reports of six new confirmed COVID-19 cases on the Chinese mainland Monday, of which three were imported.

The other three new cases were domestically transmitted in Heilongjiang Province, the National Health Commission said in a daily report.

One suspected case arriving from overseas was reported in Shanghai.

No deaths were reported Monday on the mainland, according to the commission.

Altogether 81 patients were discharged from hospitals after recovery Monday, while the number of severe cases dropped by two to 50.

As of Monday, the overall confirmed cases on the mainland had reached 82,836, including 648 patients who were still being treated and 77,555 people who had been discharged after recovery, the commission said.

Altogether 4,633 people had died of the disease, it said.

By Monday, the mainland had reported a total of 1,639 imported cases. Of the cases, 1,087 had been discharged from hospitals after recovery, and 552 were being treated with 21 in severe conditions. No deaths from the imported cases had been reported.

The commission said that nine people, including six from abroad, were still suspected of being infected with the virus.

According to the commission, 8,014 close contacts were still under medical observation after 915 people were discharged from medical observation on Monday.

Also on Monday, 40 new asymptomatic cases, including three from abroad, were reported on the mainland. No asymptomatic cases were re-categorized as confirmed cases, and 17 people, four of whom were from abroad, were discharged from medical observation, according to the commission.

The commission said 997 asymptomatic cases, including 130 from abroad, were still under medical observation.

By Monday, 1,037 confirmed cases including four deaths had been reported in the Hong Kong Special Administrative Region (SAR), 45 confirmed cases in the Macao SAR, and 429 in Taiwan including six deaths.

A total of 787 patients in Hong Kong, 32 in Macao and 290 in Taiwan had been discharged from hospitals after recovery.  ■