San Mateo County public health officials reported finding H5N1 bird flu in a pet cat and a backyard poultry flock.

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 San Diego Humane Society’s Project Wildlife issues precautions to stay safe from the avian influenza for pets and people.

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 ...

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

Migrant farmworkers are on the front lines of the H5N1 surge — but deportation fears complicate virus surveillance ...

US officials are investigating the appearance of a strain of bird flu identified in the US for the first time, a worrying ...

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 ...

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

The H5N9 strain of avian influenza is much more rare than the H5N1 which has been responsible for most of the reported human ...