The Pennsylvania Game Commission is monitoring the continued spread of avian influenza in wild birds as spring migration ...

Since late 2021, a panzootic, or "a pandemic in animals," of highly pathogenic bird flu variant H5N1 has devastated wild birds, agriculture, and mammals. Unlike previous outbreaks, aggressive culling ...

Avian H5N1 took a big leap about four years ago. Previously the virus, first detected in the mid-1990s, would tear through domesticated poultry, killing off flocks in days. It occasionally jumped to ...

This winter, avian influenza viruses have continued to circulate in wild birds across Pennsylvania, and more birds will be migrating to and through the state in the coming weeks. Strains of highly ...