DENVER (KDVR) — Colorado is seeing a spike in avian influenza after cases in domestic poultry flocks in just January this year are already nearing the total number of cases in all of 2025. Lt. Gov.

Veterinarians and agriculture experts are warning Colorado flock owners to be cautious as high pathogen avian influenza is making a return to the region. Commercial and backyard flocks have been ...

Scientists provided the most complete view of bird flu's spread through wild bird populations across North America, explaining how the dominant strain advanced, maintaining the risk of human ...

DENVER (KDVR) — Officials have wrapped up their emergency response after a verbal disaster declaration was issued in January for an outbreak of highly pathogenic avian influenza in Weld County. The ...

Research finds that those vaccinated or previously infected with seasonal flu had special antibodies that help fight H5N1 ...