The Chinese mainland on Monday recorded 18 locally transmitted COVID-19 cases, which remained the same as that of Sunday, the National Health Commission said on Tuesday.
Of the new local infections, six were reported in Xinjiang, five in Beijing, three in Henan, two in Hebei, and one each in Tianjin and Shanghai, according to the commission.
A district in Beijing will begin a new round of COVID-19 tests among its roughly 2 million residents on Tuesday, as flare-ups persisted in the city ahead of the Winter Olympics, while four provinces found cases linked to Beijing clusters.
The Beijing municipality reported six new domestically transmitted infections with confirmed symptoms for Sunday, data from the National Health Commission (NHC) showed. It marks the seventh consecutive days of new local confirmed cases for the city.
Since Jan. 15, the city has reported a total of 36 local symptomatic cases, according to the NHC.
Beijing has quickly stepped up measures to block further spreading of the virus, with the Winter Olympics due to start on Feb. 4. China is already in the Lunar New Year holiday travel season.
Outside Beijing, the provinces of Shandong, Shanxi, Liaoning and Hebei have found a total of eight infections linked to the capital.