China has reported 77 new confirmed COVID-19 cases for Dec.
21, down from 81 a day earlier, its health authority said on Wednesday.
According to a statement by the National Health Commission, of the new infections, 57 were locally transmitted, unchanged from a day earlier.
Most of the new local cases were in the north-western province of Shaanxi.
China reported 19 new asymptomatic cases, which it classifies separately from confirmed cases, also unchanged from a day earlier.
There were no new deaths, leaving the death toll at 4,636.
Mainland China had 100,544 confirmed cases as of Dec.
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China reports 77 new COVID-19 cases