On Monday, Louisiana health officials announced that a person hospitalized last month with a severe case of avian influenza — ...

The U.S. has developed a bird flu vaccine that can be prepared when needed. It’s not currently available because health ...

Officials say the risk is generally low but urged Americans to take precautions while health experts closely monitor the ...

Louisiana health authorities reported that a patient aged over 60 was the country's first person to die from bird flu.

Health officials have said the person was older than 65, had underlying medical problems and had been in contact with sick ...

Bird flu was detected in a backyard flock in Clinton County, according to a news release Monday from the Iowa Department of ...

In two of the recent U.S. cases — an adult in Missouri and a child in California — health officials have not determined how ...

The first U.S. bird flu death has been reported — a person in Louisiana who had been hospitalized with severe respiratory ...

A Louisiana resident infected by H5N1 bird flu has died, state authorities there reported Monday, marking the first U.S.

The discovery of the H5N1 virus among horses living in Mongolia may have implications for equine and human populations around ...

Each week some revelation about bird flu seems to flutter through the news cycle. Here's what the latest research is saying ...

The virus in the first severe human bird flu case in the U.S. was found to have mutated. Newsweek's live blog is closed.