This means four cats in Oregon have now been infected by avian influenza in the past two months, including two others in Washington County. The disease is more common among chickens and other poultry, but can spread to other animals through direct contact with infected birds or by consuming raw meat or milk.

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