H5N1 avian influenza continues to spread amid commercial and backyard poultry, and additional cases have been reported in domestic cats ...

A number of bird flu cases have been reported in the Chicago area in recent weeks, leading to many questions about how quickly the virus is spreading and how worried residents should be.

A commercial poultry farm on Long Island, New York, is being forced to kill thousands of ducks after health officials detected cases of bird flu. The owner of Crescent Duck Farm in Aquebogue — about ...

"The Chinese poultry lineage may have experienced more vaccine-driven selection compared to other lineages," the researchers wrote.

Authorities have detected a second case of bird flu at a poultry farm in Georgia's Elbert County. The case was found less ...

When a pathogen — any organism that causes a disease — jumps species, scientists get nervous because its genetic makeup can ...

Seven Delmarva-region commercial operations have now reported cases of the highly contagious virus.

For the first time since the 2022 countrywide outbreak, bird flu hit a poultry producer in Georgia, the nation’s top state ...

Georgia is the nation's largest poultry producing state. Last week, bird flu was found for the first time in a commercial poultry plant in the state.

Flu has surged to high levels across the US, straining hospitals. Experts discuss 2024-25 flu season trends, symptoms to ...

Avian influenza A (H5N1) has mutated, so the symptoms of bird flu could change as more people get sick in 2025.