Health officials have confirmed the presence of H5N1 (bird flu) in a backyard poultry flock in San Mateo County. The county ...

The virus is circulating in some wild birds here. But so far, it hasn’t spread to any commercial poultry flocks or dairy ...

Cows in Nevada have been infected with a strain of H5N1 bird flu different from the strain detected in all other herds to this point in the ongoing dairy outbreak. It's the same strain that killed a ...

The bird flu is caused by influenza type A viruses, which can spread to humans, although there is minimal risk to the general ...

Here's what you need to know about the highly pathogenic H5N1 avian influenza, and what bird flu might mean to you, your ...