BEIJING -- The Chinese mainland reported no new locally transmitted COVID-19 cases on Tuesday, the National Health Commission said on Wednesday.

Ten new imported COVID-19 cases were reported Tuesday on the Chinese mainland, bringing the total number of imported cases to 5,221.

Four new suspected cases arriving from outside the mainland were reported in Shanghai. No new deaths related to the disease were reported, it added.

Of the new imported cases, three were reported in Shanghai, two each in Tianjin and Guangdong, and one each in Inner Mongolia, Sichuan and Gansu, the National Health Commission said in its daily report Wednesday.

Of the imported cases, 5,065 had been discharged from hospitals after recovery while 156 remained hospitalized, the commission said.

No deaths had been reported among the imported cases.