Ba Ria Vung Tau province has become Vietnam's 59th locality with African swine fever outbreaks.
The outbreak of African swine fever occurred in a village in Shihuiyao County and involved 32 pigs.
Researchers identified more than thirty African swine fever virus proteins that are recognized by lymphocytes from African swine fever immune pigs which led to increased knowledge of the determinants of the cellular immune response to the virus.
Laos has reported its first cases of African swine fever in the province of Saravane.
Manitoba Pork has reported that the number of cases of porcine epidemic diarrhea virus (PEDv) have increased significantly in recent weeks in the province.
African swine fever that first swept through China is now spreading across Asia.
China has imported and stockpiled a large amount of meat in response to an outbreak of African swine fever, and chilled storage at ports are almost full.
African swine fever was first detected in Vietnam in February and has since spread to farms in 58 of the country's 63 provinces,
Canned meat products from Hong Kong that entered the Philippines in March and were seized by the government have tested positive for African swine fever.
Vietnam's central Quang Binh province has been hit by African swine fever in a household in the province's Minh Hoa district.