Pet owners cautioned after tests confirm Highly Pathogenic Avian Influenza (HPAI) in two cats living in different households.

With so much H5N1 circulating in the U.S., scientists worry we are a few mutations away from a potential human pandemic.

At least four Oregon cats have been euthanized in the past two months after developing severe symptoms from bird flu.

Five more possible cases of bird flu in cats all came from the same home in Portland, officials said. Two of those cats have died, while three are waiting on a second round of testing to confirm the diagnosis.

Dozens of domestic cats, including at least 24 this year, have been infected with H5N1, according to the U.S. Agriculture Department. Many of the animals became infected after consuming raw milk