More than 80 domestic cats have been confirmed to have had bird flu since 2022. Experts say there's a risk that cats could ...

A small but growing number of house cats have gotten sick from H5N1, the bird flu strain driving the current U.S. outbreak.

First U.S. detection of virulent H5N9 strain, at a California duck farm, draws scrutiny as evidence of genetic reassortment ...

Nearly 119,000 birds have been culled at a farm in California after a bird flu called H5N9 was detected among the poultry ...

A California duck farm has culled thousands of birds as the virus seems to be trading genetics with other viruses ...

Dr. Paulo H. Verardi, a virologist and head of the Department of Pathobiology and Veterinary Science at the University of ...

The California duck farm's strain of H5N9 is different from those earlier cases because this time it is closely related to a ...

That scenario is caused by “reassortment,” the exchange of genetic material when hosts are infected with multiple versions of a virus. The U.S. Agriculture Department’s Animal and Plant ...

A new strain of bird flu, H5N9, has been detected for the first time in the United States, raising concerns about h ...

The first U.S. H5N9 outbreak has raised concerns as scientists warn of evolving bird flu risks—here's what you need to know about the symptoms.