The mainland reported 137 new confirmed coronavirus cases on February 18, the National Health Commission said on Saturday, up from 87 a day earlier.
Of the new cases, 80 were locally transmitted, the commission said, compared with 40 a day earlier. These included 46 cases in Inner Mongolia.
The number of new asymptomatic cases, which are not classified as confirmed cases, was 37, compared with 45 a day earlier.
There were no new deaths, leaving the death toll at 4,636. As of February 18, the mainland had confirmed 107,512 cases.