The Chinese mainland registered 19 new confirmed COVID-19 cases on Sunday, all of which were imported cases, the National Health Commission said on Monday.

A medical worker works at a temporary COVID-19 vaccination site at a company in the ZPark Phase 2 in Haidian District of Beijing, capital of China, Feb. 22, 2021. (Xinhua/Ren Chao)

Of the imported cases, nine were reported in Sichuan, six in Guangdong, two each in Beijing and Shanghai.

Also on Sunday, 13 asymptomatic cases were reported on the mainland, all imported. And a total of 254 asymptomatic patients were under medical observation.

There were 210 active cases, including one in critical condition as of Sunday. No deaths related to the disease were reported, while 27 COVID-19 patients were discharged from hospitals.

The total number of confirmed cases on the Chinese mainland stands at 89,912 and the cumulative death toll is 4636.