BEIJING -- The Chinese mainland on Thursday reported 48 new COVID-19 cases, of which 36 were imported and 12 were locally transmitted, the National Health Commission said in its daily report on July 23.

All of the 12 new locally transmitted cases were reported in Jiangsu.

Of the new imported cases, 14 were reported in Guangdong, 13 in Yunnan, three in Shanghai, two each in Sichuan and Shaanxi, and one each in Tianjin and Hubei, according to the commission.

Thursday also saw three suspected cases newly reported in Shanghai, all arriving from outside the mainland.

No new deaths related to COVID-19 were reported on Thursday across the mainland, it added.

East China's Anhui province on Thursday reported a new locally transmitted asymptomatic COVID-19 case in Hexian county, Ma'anshan city, the provincial health commission said Friday.

The 52-year-old asymptomatic carrier is the husband of an airport cleaner at the Nanjing Lukou International Airport, who is also one of the confirmed cases in Nanjing, capital city of East China's Jiangsu province.

The asymptomatic carrier mainly lives in Jiangning district of Nanjing. Since the end of June, he had been driven between Nanjing and Hexian county due to temporary decoration work.

Nanjing with a population of more than 9.3 million has registered a cluster of local cases after positive results were found during routine nucleic acid testing for its airport staff.