A backyard flock in Vermont was sickened with H5N1, agricultural officials said on Thursday, following other reports of bird ...

Genetic analysis suggests the H5N1 virus has the capacity to mutate in ways that could make it more transmissible to humans.

The ongoing spread of bird flu in the United States has alarmed experts -- not just because of human cases causing severe ...

A genetic analysis of the H5N1 bird flu in a Louisiana patient reveals potential mutations for human transmissibility, says the CDC.

B ird flu has killed 20 big cats at the Wild Felid Advocacy Center in Washington state. The devastation has claimed half of ...

The situation remains grim. There has been an explosion of human cases … we need fewer humans infected, period,' one ...

A brand of natural cat food sold is being pulled from store shelves in multiple states after reports that a cat in who ate ...

A genetic analysis suggests the bird flu virus mutated inside a Louisiana patient who contracted the first severe case of the ...

Bird flu has been on the rise in Washington state and one sanctuary was hit hard: 20 big cats – more than half of the ...

Bird flu has taken a terrible toll at the Wild Felid Advocacy Center, a sanctuary for wildcats and their hybrids on Harstine ...

A big cat sanctuary in Washington has suffered "significant losses" among the animals in its care after what it said was an ...

A devastating bird flu outbreak has killed 20 big cats at the Wild Felid Advocacy Center of Washington, a nonprofit an ...