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.

"This is about the time of year when we would expect to see an increase in COVID, flu, RSV, and also norovirus," said Robbie Goldstein, commissioner of the Massachusetts Department of Public Health.

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

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 ...

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.

Guidelines from the USDA recommend owners of backyard flocks prevent the spread of bird flu by doing things like restricting ...

Michigan expert explains risks and research efforts as bird flu resurges, affecting poultry and cattle statewide.