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

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

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

Over 1 billion chicken wings are estimated be eaten during the Super Bowl this Sunday. Will the recent 'bird flu' cases ...

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

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 ...

Bird flu is now believed to be widespread in Massachusetts and is likely present even in places where there has not been a ...

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

A new strain of H5N9 bird flu was detected at a commercial duck operation in California's Merced County. All the ducks were ...

After bird flu was detected in a stray cat in Half Moon Bay this week, health officials in San Mateo County are urging pet ...

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 ...