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

For the past three years,a novel form of bird flu has wiped out millions of animals in the United States, from snow geese to backyard chickens.

A commercial laying hen flock in Pennsylvania and a commercial meat turkey flock in Illinois are the latest U.S. poultry operations to be struck by highly pathogenic avian influenza (HPAI).

Since the beginning of March, more than 1 million birds have been affected by outbreaks at three Lancaster County commercial farms, the USDA said.

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.

WASHINGTON, D.C., USA — The first cases of highly pathogenic avian influenza, or bird flu, in 2026 have been detected, with infections spanning thousands of birds across multiple states. The United ...

Highly pathogenic H5N1 avian influenza is killing black vultures at alarming rates across the southeastern United States, ...

LANCASTER COUNTY, Pa. (WHTM) – Lancaster County, the national epicenter of an avian flu outbreak, is reporting new cases ...

Influenza presents a global health challenge due to its rapidly changing RNA genome. These mutations can result in serious health and economic consequences. To effectively manage outbreaks, reliable ...