Also reported were 25 new imported cases, of which 16 were reported in Yunnan, three each in Fujian and Guangdong, and one each in Jilin, Henan and Sichuan.
One new suspected case was reported in Shanghai, arriving from outside the mainland, while no deaths related to COVID-19 were reported, it added.
The total number of confirmed COVID-19 cases on the mainland reached 92,811 by Wednesday, including 887 patients still receiving treatment, 23 of whom were in severe condition.
A total of 87,288 patients had been discharged from hospitals following recovery on the mainland, and 4,636 had died as a result of the virus.