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.

"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 ...

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

A patient in Louisiana has died from avian influenza in what authorities consider to be the first severe H5N1 infection in a ...

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.

Moderna has been testing an mRNA candidate for influenza viruses like the H5 and H7 strains that are seen as pandemic threats ...

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

The state Department of Agriculture on Friday announced that it has detected a case of "Highly Pathogenic Avian Influenza" at ...