A little-known variant of bird flu has evolved to become better adapted to infecting people and could pose a pandemic threat to humans, a team of researchers has warned.

The avian flu is normally hosted in birds and is primarily spread across flock through mucous, saliva or feces. The virus is not frequently transmitted from person-to-person, but can transfer from ...

More than four out of every five dead black vultures examined by University of Georgia researchers tested positive for highly pathogenic avian influenza, according to a new study published in ...

Scientists recently confirmed that a variation of the avian influenza virus is responsible for sea bird deaths in Antarctica.

When biologists first noticed increased bird flu cases in October, 49 cases had been reported. But because they can only test a limited number of carcasses, the true number is likely higher.

Scientists have discovered that avian influenza viruses have a gene that makes them incredibly resistant to heat, rendering our body's natural defense system – fever – powerless in fighting infection.

Bird flu (H5N1) confirmed in a Jefferson County poultry flock. Risk to the public is low; officials urge biosecurity and avoiding sick or dead birds.