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

A new type of bird flu has been detected in dairy cattle in Nevada, according to the USDA. The strain is different from the ...

The discovery of bird flu in the San Mateo backyard flock prompted health officials to remind people to take biosecurity ...

New York has ordered a weeklong shutdown of all live bird markets in New York City, Westchester and Long Island after seven ...

Chickens and turkeys at commercial poultry operations likely became infected with bird flu through contact with migrating ...

The newly reported H5N9 strain was found Monday at a duck farm in Merced County, California, according to the World ...

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

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

The USDA Animal and Plant Health Inspection Service (APHIS) recently confirmed the deadly bird flu genotype responsible for ...

Wisconsin is among 10 states to report human cases of the H5N1 virus so far, with more than half reported in California.

In San Mateo County, California, bird flu has now been detected in a cat. This comes after the county recently confirmed the presence of a bird flu in a backyard poultry flock. The county says they ...

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 ...