Daily COVID-19 cases in Nanjing, Jiangsu province hit a record high of 47 locally transmitted infections on Tuesday, the city's health commission reported on Wednesday morning.

Suqian of Jiangsu also reported one locally transmitted case, according to the provincial health commission.

As of Wednesday, 153 locally transmitted cases had been reported in Nanjing, including four in severe condition, the provincial health commission said.

Yangzhou, a popular tourist city in Jiangsu, also reported a person tested positive for the virus on Wednesday.

The person arrived in Yangzhou from Nanjing by bus on July 21 and went to hospital on July 27. The community where the person lives has adopted strict control measures, and contacts have been put under medical observation.