The country says domestic pigs and captive wild pigs are free of the disease.

The outbreak continues throughout Asia.

APHIS officials confirmed 440 locations are infected.

The organization is responding to the spread of African Swine Fever abroad, although the risk of introduction to the US swineherd is considered negligible.

Outbreaks also have flared in Cambodia and Vietnam as the virus continues to spread in China.

More than 16,000 animals have been culled since September 2018.

The disease was first found last May in backyard exhibition birds.

Animal health officials are making containment a priority.