As California's Central Valley makes headlines for the growing number of people testing positive for the bird flu from exposure to dairy cows, Rais Vohra, MD, professor at UC San Francisco, Fresno and ...

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

H5N9 is “not commonly seen in poultry in general,” says Eman Anis, assistant professor at the University of Pennsylvania ...

UC San Francisco's Rais Vohra, MD, explains recent increase in reported virus infections and the risks of consuming raw cow’s milk.

While the H5N1 bird flu keep spreading, the first reported H5N9 outbreak in the United States has been identified on a duck ...

A new strain of bird flu has been detected on a duck farm in California. The World Organisation for Animal Health reported ...

A new variant of the H5N1 bird flu — the same one that led to the death of a Louisiana man — has for first the first time ...

While it's tragic and alarming to see a massive die-off, it's not uncommon for birds that travel in such large populations.

The virus was reported in a commercial flock of ducks. It’s the first time the subtype has been detected in the United States ...

Experts stressed that the new strain did not itself appear to be an immediate human threat. But the rise of a new strain is troubling and points to the risk of a viral phenomenon known as ...

A new strain of bird flu, H5N9, has been detected for the first time in the United States, raising concerns about how it continues to spread.