Dozens of cats across the U.S. have tested positive for avian flu, federal officials say. The west coast has been hit especially hard.

A presumptive positive test of the H5N1 virus found in migrating snow geese in Delaware prompts Maryland State Parks to enter ...

The zoo is monitoring their big cats and their habitats after 20 big cats died from the avian flu in Washington.

NPR's Scott Simon talks to Kristen Coleman, an infectious disease researcher at the University of Maryland, about the recent cases of bird flu in cats and what steps to take to protect pets.

Avian influenza has spread far beyond the nation's birds, infecting all manner of creatures from zoo animals, wild mammals, ...

A big cat sanctuary in Washington is temporarily closed and quarantined after bird flu killed 20 wild cats there, including ...

The Washington State Sanctuary is currently facing a crisis as it has lost tens of its big cats. The untimely fatalities are the result of the spread of bird flu among the animals in the facility.

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

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

Bird flu has been detected on farms in at least 16 states, with hundreds of herds now under quarantine. In Washington state, ...

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