Federal health officials are warning that certain lots of raw cat food may be contaminated with H5N1 bird flu after a pet cat in San Francisco that ate the food became infected with the virus and had ...

There is no evidence the youngster was exposed to livestock or any infected animals, deepening the mystery about the spread of H5N1 bird flu.

A patient in Louisiana was hospitalized after a recent exposure with the CDC issuing guidance to those most at-risk of infection.

Avian influenza is devastating poultry operations, spreading in dairy cattle and infecting farm workers. Why isn’t the United ...