SHANGHAI, Aug 1 — China reported 45 cases of the new coronavirus in the mainland for July 31, down sharply from 127 cases a day earlier, the health commission said today.

Of the new infections, 31 were in the far western region of Xinjiang, according to a statement by the National Health Commission. Eight were in the northeastern province of Liaoning, and the remaining six were imported cases.

China reported 23 new asymptomatic cases, up from 11 a day earlier.

As of the end of yesterday, mainland China had 84,337 confirmed coronavirus cases, the health authority said. The Covid-19 death toll remained at 4,634. — Reuters