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 ...

Avian influenza can jump species from birds to humans, a fact that arouses concern for serious illness and broader human ...

Highly pathogenic avian influenza H5N1 has killed black vultures across the southeastern United States in repeated waves that, unlike outbreaks in most wild bird species, have persisted year-round.

Bucks County officials are warning residents not to touch or interact with wildlife in county parks after several birds in the county tested positive for avian flu. Several wild birds were found dead ...

Researchers are sounding the alarm as they chart a recent outbreak of avian influenza that has killed a number of marine mammals in or near Año Nuevo State Park in San Mateo County. The highly ...

Trails at Conowingo Dam closed after avian flu detected ...

Starting in 2024, severe infections from avian influenza were reported in North America. Every severe case was of this newly dominant D1.1 strain, though at the time, the disparate geographical ...