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

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

Authorities in San Mateo County urged residents to take precautions after two cases of bird flu were detected in the county.

San Mateo County public health officials announced Thursday that they'd discovered a pet cat in Half Moon Bay infected with H5N1 bird flu. That comes just two days after they reported finding the ...

A pet cat was announced infected with the H5N1 bird flu shortly after the CDC released data suggesting an adolescent may have caught the virus from a cat. (Associated Press) ...

As H5N1 avian flu outbreaks in commercial and backyard poultry across the United States continue at a brisk pace, the US ...

Veterinarians examined it and lab results on Tuesday confirmed the cat had H5N1, or avian influenza, according to San Mateo County health officials. Don't miss out on Bay Area news, delivered to your ...

There has not been a confirmed case of human bird flu in Tulare County since Dec. 10, according to the Tulare County Health & Human Services Agency.