The Chinese mainland registered four new confirmed COVID-19 cases on Tuesday, all of which were imported cases, the National Health Commission said on Wednesday.
Of the imported cases, two were reported in Sichuan and one each in Shanghai and Fujian.
Also on Tuesday, 15 asymptomatic cases were reported on the mainland, all imported. And a total of 270 asymptomatic patients were under medical observation.
There were 176 active cases as of Tuesday. No deaths related to the disease were reported, while ten COVID-19 patients were discharged from hospitals.
The total number of confirmed cases on the Chinese mainland stood at 90,066 and the cumulative death toll was 4636 as of Tuesday.