At its onset, no one knew how the bird flu would progress in the northern elephant seals at Año Nuevo, but this week, ...

Two weeks after scientists confirmed the first-ever outbreak of avian influenza, or bird flu, in elephant seals along the California coast, the disease has spread to other marine mammals, researchers ...

Despite reassuring vaccine effectiveness data, uptake has remained low ...

South American sea lions and an elephant seal line the beach as kelp gulls fly above. (Ralph Vanstreels/UC Davis) When the H5N1 highly pathogenic avian influenza virus was discovered on a poultry farm ...

The first seven cases of avian influenza were confirmed by preliminary testing at UC Davis and confirmatory testing by the ...

An elephant seal bellows at Año Nuevo State Park in Pescadero, California, on Feb. 8, 2026. (Photo by Annie Barker/Stocktonia/CatchLight Local/Report for America ...

When the H5N1 highly pathogenic avian influenza virus was discovered on a poultry farm in Asia in 1996, there was little indication that it would become so widespread and so destructive. Within 30 ...

Kansas is suffering from the worst outbreak of highly pathogenic avian influenza in the country, with nearly 414,000 birds affected, according to the U.S. Department of Agriculture. HPAI, an umbrella ...

Add Yahoo as a preferred source to see more of our stories on Google. A person holds a test tube labelled "Bird Flu", in this picture illustration, January 14, 2023. REUTERS/Dado Ruvic/Illustration ...

Fewer bird flu outbreaks, more hens and lower feed costs drop egg prices down 58% from a year ago.

Vaccine effectiveness was generally higher in younger children younger than 8 years, at 63% in the 2023-2024 season, than ...