SHENYANG, Jan. 11 (Xinhua) -- China's Liaoning Province on Sunday reported two locally transmitted confirmed COVID-19 cases in the provincial capital Shenyang, the provincial health commission said on Monday.

Liaoning reported four imported confirmed cases in the city of Yingkou on the same day.

The province has decided to further extend the health observation period to 28 days for all inbound travelers from overseas, according to a recent video conference held by provincial authorities.

In addition to the current 14-day centralized medical quarantine and seven-day home observation, the new "14+7+7" model will enforce another week of health monitoring, during which the quarantined individual must regularly report body temperature to the local community.

By Sunday, the province had 77 confirmed cases and 26 asymptomatic cases receiving medical treatment or under observation.

A total of 393 confirmed COVID-19 cases had been reported in Liaoning by Sunday, including 82 imported cases. Among them, 314 had been discharged from hospitals.