Mainland China reported 17 new COVID-19 cases on Nov. 21, up from 16 the previous day, with three cases of local transmission and nine cases originating overseas, the National Health Commission said on Sunday.
The Commission said in its daily bulletin that two of the local transmissions took place in Inner Mongolia and one in Shanghai.
Inner Mongolia's health authority said on Saturday it had confirmed two new coronavirus cases in Hulunbuir city on the Chinese border with Russia.
According to a report from the official Xinhua news agency, the positive case in Shanghai was found after mass testing following infections of a security inspector at Pudong International Airport and his wife.
Shanghai's health authority later reported two new locally transmitted cases in the city on Sunday, both connected to the Pudong cases.
Mainland China reported another 11 asymptomatic cases on Nov. 21, down from 18 on the previous day.
It has so far reported an accumulated total of 86,431 COVID-19 cases, with the official death toll at 4,634.