New variant of African swine fever raises biosecurity alert level

Australia's chief vet says the new variant of the virus, that's wiped out 1 billion pigs worldwide, could have been established through the use of an illegal vaccine.

New variant of African swine fever raises biosecurity alert level

Australia's chief vet says the new variant of the virus, that's wiped out 1 billion pigs worldwide, could have been established through the use of an illegal vaccine.