The latest cases of highly pathogenic avian influenza (HPAI) in the United States include four commercial poultry flocks in ...

According to the governor's office, more than half of all avian flu cases in the United States are in Pennsylvania.

Egg prices plummet 42% in one year as avian flu outbreak subsides, but experts warn new detections could spark fresh ...

The confirmation last week of H5N1 bird flu in northern elephant seals at California’s Año Nuevo State Parkhas put wildlife managers and public health officials on alert.

Two live bird markets, 1 in Orange County, Florida, and 1 in Kings County, New York, reported bird flu outbreaks.

To help prevent the spread of bird flu, all poultry shows, exhibitions, swap meets, and movement of poultry in southern Wisconsin have been suspended.

A second type of bird flu has been found in U.S. dairy cows for the first time, the U.S. Department of Agriculture (USDA) announced on Wednesday. Until recently, all dairy herd detections in the U.S.

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.

Bucks County officials are warning residents not to touch or interact with wildlife in county parks after several birds in the county tested positive for avian flu. Several wild birds were found dead ...

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.

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.

Poultry boss Mark Gorton says bird flu is "not going away" and is a threat all year round.