BEIJING, Jan. 13 (Xinhua) -- The Chinese mainland on Tuesday reported 115 newly confirmed COVID-19 cases, of whom 107 were locally transmitted and the rest arrived from outside the mainland, the National Health Commission said Wednesday.

Of the locally transmitted cases, 90 were reported in north China's Hebei Province, 16 in Heilongjiang Province and one in Shanxi Province, the commission said in its daily report.

One new suspected case arriving from outside the mainland was reported in Shanghai, but no deaths related to the disease were reported on Tuesday.

By the end of Tuesday, a total of 4,451 imported cases had been reported on the mainland. Among them, 4,165 had been discharged from hospitals following recovery, and 286 remained hospitalized. No deaths had been reported among the imported cases.

The total number of confirmed COVID-19 cases on the mainland reached 87,706 by Tuesday, including 784 patients still receiving treatment, 21 of whom were in severe condition.

A total of 82,288 patients had been discharged following recovery on the mainland, and 4,634 had died of the disease, according to the commission.

There was one suspected COVID-19 case on the mainland on Tuesday, and 30,114 close contacts remained under medical observation.

Tuesday saw 38 asymptomatic cases newly reported, of whom three arrived from outside the mainland. On the same day, 42 asymptomatic cases were re-categorized as confirmed ones.

A total of 556 asymptomatic cases were under medical observation, of whom 256 arrived from outside the mainland. Enditem