BEIJING, June 1 (Reuters) - China reported 16 new coronavirus cases for May 31, the highest since May 11 and up from 2 cases reported a day earlier, the country's health commission reported.

The National Health Commission said in a statement that all of the new cases were so-called imported infections involving travellers from overseas.

The mainland also reported 16 new asymptomatic cases - those who are infected but do not show symptoms - compared with 3 a day earlier.

The total number of confirmed cases now stands at 83,017, while the death toll remained unchanged at 4,634.

(Reporting by Se Young Lee and Huizhong Wu; Editing by Kim Coghill)