The patient in Louisiana was older than 65 and was reported to have had underlying medical conditions, health officials said.

The virus has affected 344,100 birds in the last month at Michigan commercial farms on the west side of the state.

New research led by La Jolla Institute for Immunology scientists on the H5N1 virus, or “bird flu,” suggests that many people ...

The spread of avian influenza (HPAI) has also impacted the nationwide supply of poultry products, including eggs. Experts ...