The first human death caused by H5N1 in the U.S. was reported in Louisiana on Jan. 6. Here's what to know about bird flu.

The highly infectious H5N1 strain has caused outbreaks across the country. Now, Long Island’s last duck farm must kill its ...

H5N1 avian influenza continues to spread amid commercial and backyard poultry, and additional cases have been reported in ...

H5N1 vaccines have been previously licensed, and millions are in the national stockpile. But even with the news of the ...

The Department of Health and Human Services has granted millions of dollars to Moderna to speed up bird flu vaccine development.

For the first time since the nationwide outbreak began in 2022, highly pathogenic avian influenza has struck a commercial ...