A medical worker presents a bouquet of flowers to a recovered patient at the Chongqing Public Health Center in southwest China's Chongqing, March 15, 2020. (Xinhua/Wang Quanchao)

The Chinese mainland reported 18 new confirmed COVID-19 cases Sunday, including three local transmitted and 15 imported cases , the National Health Commission said on Monday.

The new domestically transmitted cases were all detected in Inner Mongolia, said the commission’s daily report.

Five new imported cases were respectively reported in Shanghai and Shandong, three in Sichuan, and one each in Shanxi and Guangdong, the National Health Commission said in its daily report Monday.

A total of 3,609 imported cases had been discharged from hospitals after recovery while 249 remained hospitalized, including three in severe conditions, the commission said.

No new suspected cases or new deaths related to COVID-19 were reported Sunday, the commission said.