The cases were detected in Aba prefecture in the southwestern province of Sichuan, and the city of Xiangyang in the central province of Hubei.
The outbreak killed 38 pigs on a farm of 127 hogs in Sichuan, China's largest producing province. In Hubei, the disease was detected on a truck of piglets being transported illegally from another province. Of 165 piglets, 10 were infected, and five had died.
China is the world's top pork producer and consumer.
A large outbreak of African swine fever wiped out about half of the country's herd in 2019, a year after it reached the country.
China also reported an outbreak earlier this week in the southwestern province of Yunnan. - Reuters