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 ...

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.

The H5N1 strain of highly pathogenic avian influenza has spread across the globe, infecting hundreds of birds and mammal species. Few places offer a clearer view of the virus’s spread in urban ...

Experts confirmed that seven young northern elephant seals on the beach at California’s Año Nuevo State Park carried a deadly form of avian influenza, H5N1, the first recorded infection in these seals ...

Sporadic human infections with avian influenza A viruses have caused a wide spectrum of illness. As these novel influenza A viruses pose pandemic potential, timely detection and characterization of ...

Avian flu concerns are ramping up further in Weld County, after hens at an egg operation with 1.3 million chickens tested positive for the virus last week. Agriculture officials have issued poultry ...

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 ...

PARIS, June 3 (Reuters) - The French government has cut its assessment of bird flu risk to its lowest level, lifting measures ...

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 ...