The world is watching how the U.S. is responding to the H5N1 bird flu outbreak in dairy cattle, a top WHO official said.

Mysterious US bird flu case in person without any known contact with an infected animal raises spectre of human-to-human ...

Colorado’s outbreak of avian flu in poultry and dairy cattle seems to have died down, though the state continues to monitor farms for signs of the virus. That doesn’t include regularly testing farms’ ...

This year in the United States, 14 people have tested positive for avian influenza, or bird flu. Nine of those became ...

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

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

The U.S. Department of Agriculture ... The study also noted a new and rare combination of genes in the bird flu virus that spilled over into the cows, and researchers are sorting out whether ...

State testing from all 95 Massachusetts dairy farms showed a 100% negative result for the dangerous strain of influenza, ...

Avian influenza, or bird flu, refers to the disease caused by infection with Type A viruses. The Alabama Department of Public Health reports these viruses occur naturally among wild aquatic birds ...

Mystery H5 flu case had a close contact who was ill at same time; CDC hopes blood tests will show if there was a connection.

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

The US government has signed a $176 ... as reports emerge of a fifth human case of H5N1 flu linked to ongoing outbreaks in poultry and dairy cows. The award from the Biomedical Advanced Research ...