Learn more about how a vaccine could help prevent the spread of the avian flu virus but may also cause the virus to evolve ...

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 ...

This is the warning of a new paper in the journal Science Advances, which concluded that vaccinating against the highly ...

In this prospective observational study, immune protection against H5N1 and H7N9 avian influenza virus (AIV) was almost absent prior to vaccination. However, seasonal influenza vaccines induced a ...

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 ...

While Egyptian donkeys have been documented to suffer AIV H5N1 infections, infections in horses have never been scientifically verified. "Horses are natural hosts of equine influenza virus (EIV).

The H5N9 strain was found at a California duck farm that has already lost nearly 119,000 birds to the more common H5N1 variant of the disease, which is formally known as Highly Pathogenic Avian ...

PARIS, Jan 29 (Reuters) - Lithuania has reported an outbreak of highly pathogenic H5N1 avian influenza, commonly called bird flu, on a laying hen farm in the western part of the country ...

As cases of H5N1 bird flu rise across the U.S., some of us may be more immune to the virus than others. Many people may have immune cells called "T cells" primed and ready to fight the "highly ...

Massachusetts officials report that H5N1 is widespread among wild birds. There have been no confirmed human cases of bird flu so far in Massachusetts. Pets should be kept on a leash when outside.