An extensive look at wastewater samples taken across the United States from May to July found traces of the H5N1 bird flu ...

Colorado's outbreak of avian flu in poultry and dairy cattle seems to have died down, though the state continues to monitor ...

On Monday state officials announced they had completed testing on all 95 licensed farms in Massachusetts that have dairy ...

Bird flu has killed millions of fowl and infected, even killed, hundreds of humans. But the jump to cattle has experts ...

With the approach of fall and cooler weather across the United States, officials say the risk posed by the H5N1 bird flu ...

A close contact of a Missouri resident identified as having a human case of the H5N1 avian flu also became sick around the ...

The Centers for Disease Control and Prevention has picked five lab partners to develop a test for avian influenza A (H5N1) — ...

In a case that continues to confound scientists, U.S. health officials said Thursday that they still don't know how a ...

Health officials say they don’t know how a Missouri person caught bird flu, but they believe it may be a rare instance of a ...