The Chinese mainland reported 92 new confirmed COVID-19 cases on Sunday, including 59 domestically transmitted and 33 imported, the National Health Commission said Monday.

Among the imported cases, nine were reported in Shanghai, eight in Zhejiang, four in Yunnan, three each in Fujian, Shandong and Sichuan, one each in Inner Mongolia, Guangxi and Chongqing, the commission said in its daily report.

A medical worker collects a swab sample from a student for nucleic acid testing at No. 9 middle school in Longyan, southeast China's Fujian Province, Sept. 15, 2021. (File photo: Xinhua)

Among the local cases, 27 were reported in Heilongjiang, 10 in Gansu, nine in Hebei, six in Inner Mongolia, three in Ningxia, one each in Zhejiang, Jiangxi, Shandong and Qinghai, the commission said.

There were 869 active cases on Chinese mainland as of Sunday, with 33 in critical condition. No deaths related to the disease were reported, while 37 COVID-19 patients were discharged from hospitals.

The total number of confirmed cases on the Chinese mainland stood at 97,243, with the death toll unchanged at 4,636.