BEIJING, June 11 (Reuters) - China reported 22 new coronavirus cases in the mainland for June 10, slightly higher than 21 a day earlier, the country's health authority said on Friday.

Of the new cases, nine were local transmissions, up from six a day earlier, the National Health Commission said.

All the new local cases were in southern Guangdong province.

China also reported 25 new asymptomatic infections, compared with 27 a day earlier. China does not classify symptomless infections as confirmed cases.

As of Thursday, China had a total of 91,359 confirmed infections. Its death toll stood unchanged at 4,636. (Reporting by Jing Wang, Colin Qian and Ryan Woo; Editing by Muralikumar Anantharaman)