The U.S. Centers for Disease Control and Prevention said on Thursday its analysis of samples from the first severe case of bird flu in the country last week showed mutations not seen in samples from an infected backyard flock on the patient's property.

The United States Centers for Disease Control and Prevention said on Thursday that its analysis of samples from the first severe case of bird flu in the country showed mutations that were

Here’s what to know about the United States’ first confirmed severe case of H5N1 avian influenza—and how to protect yourself.

Though cases of infection are rare, cats seem especially susceptible to the bird flu virus, or Type A H5N1. Even before the cattle outbreak, there were feline cases linked to wild

But while the current risk from our fuzzy feline friends is considered very low, public health officials nonetheless have been warning this month that free-roaming cats could be yet another fellow mammal that will enable bird flu to hop to humans,