The ongoing spread of bird flu in the United States has alarmed experts -- not just because of human cases causing severe illness, but also due to troubling new instances of infections in cats. A sample of the virus found in a critically ill patient in the United States has shown signs of mutating to better suit human airways,

The death of an Oregon house cat and a pet food recall are raising questions about the ongoing outbreak of bird flu and how people can protect their pets.

The manufacturer of a brand of raw cat food has recalled the product after the death of a pet in Oregon from an H5N1 bird flu infection. Los Angeles County health officials also issued a recommendation that pet owners avoid Northwest Naturals Brand two-pound Feline Turkey Recipe Raw & Frozen Pet Food.