BEIJING -- China's health authorities have sent a working group to guide COVID-19 response in Northeast China's Heilongjiang province, the National Health Commission said Friday.

Heilongjiang reported nine locally transmitted confirmed COVID-19 cases on Thursday, including three previously reported asymptomatic carriers, the provincial health commission said in a daily report.

By the end of Thursday, there were 10 locally transmitted cases and two imported cases receiving treatment in the province.