Medical workers are on the way for collecting samples from the elderly for nucleic acid test in Ruili City of southwest China's Yunnan Province, July 8, 2021. (Photo: Xinhua)

The Chinese mainland on Sunday reported 31 newly confirmed COVID-19 cases, including 5 locally transmitted cases and 26 arriving from outside the mainland, the National Health Commission said Monday.

The locally transmitted cases were reported in Yunnan Province, the commission said in its daily report.

Of the imported cases, eight were reported in Guangdong, five in Yunnan, four in Shanghai, three in Shaanxi, one each in Beijing, Inner Mongolia, Zhejiang, Fujian, Henan and Gansu, the commission said.

There were 490 active imported cases as of Sunday. No deaths related to the disease were reported, while 15 COVID-19 patients were discharged from hospitals.

The total number of confirmed cases on the Chinese mainland stood at 92,277 and the cumulative death toll was 4,636 as of Sunday.