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

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

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

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

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 ...

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

FRESNO, Calif. (KFSN) -- Flu activity remains high across the country. That includes right here in Central California. Dr. Samer Saghbini, an Infectious Disease Physician at Kaiser Permanente Fresno, ...

The latest on bird flu in New York State ...

Heading into peak flu season, San Diego County is seeing its highest rates of flu cases in five years, public health ...

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