The CDC said Thursday that the mutations, detected in a sample taken from a Louisiana patient, may help bind the virus to the ...

The bird flu outbreak has spread to all 50 states, infecting dairy cattle, poultry farms and 61 humans across the country.

When, where and how the H5N1 bird flu virus may evolve and its capacity to spark a pandemic is hard to predict — in part, ...

Based on lab studies, researchers found the currently circulating H5N1 clade 2.3.4.4.b virus attaching better in the human ...

Mississippi has confirmed H5N1 in a poultry flock. The birds are not part of food supply chain. What you need to know about ...

The Centers for Disease Control and Prevention called it the first severe case in the U.S., though the risk to most of the public is still low.

Northwest Naturals recalls pet food nationwide after bird flu detection in Oregon. Learn about the recall and safety measures ...

California officials have declared a state of emergency over the spread of bird flu, which is tearing through dairy cows in ...

Exclusive reporting reveals how the United States lost track of a virus that could cause the next pandemic. Problems like the ...

At baseline, bird flu is usually severe in humans. Of the 863 reported H5N1 bird flu cases reported worldwide between 2003 ...