The virus struck more layer and other commercial poultry farms, as well as backyard flocks in multiple states.

Since a Lehigh County poultry farm saw Pennsylvania’s first confirmed 2025 case of bird flu in domestic poultry, local ...

Bird flu continues to be a major concern in Pennsylvania. Secretary of Agriculture Russell Redding said that six flocks, totaling about 2.9 million birds, have been affected by highly pathogenic avian ...

Pennsylvania has been on high alert since the beginning of the outbreak in 2022. The last detection in domestic birds was in a backyard flock in October 2024 in Venango County. Pennsylvania continues ...