The progression of the species-jumping disease has been unprecedented, including the first-ever U.S. cases of infections in ...

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

H5N1 has been the dominant grouping of strains fueling this past year's outbreaks in the U.S., with different variants of that virus spreading in wild birds, poultry flocks, dairy cattle ...

Bird flu infections around the U.S. have forced mass cullings and resulted in the deaths of zoo animals and pets ...

The U.S. hasn’t been able to control the spread of the H5N1 bird flu. And now, there’s been a reported outbreak in the U.S. of another strain of avian influenza, H5N9. This H5N9 outbreak ...

The team found that animals that had the virus inoculated directly into their lungs became severely ill, whereas animals that ...

Poultry can still be exhibited and sold in unaffected counties with biosecurity measures in place. The department may extend ...

YORK, Maine (WMTW) - The year’s first detection of H5N1, commonly known as avian or bird flu, has been found in Maine, ...

After the vet diagnosed the cat with pneumonia, it was tested for a virulent strain of bird flu known as H5N1. Andrea ...