The HPAI H5N1 virus has spread globally, infecting birds, mammals, and some humans. Most human cases are mild.

Gov. Newsom declared a state of emergency as the virus continues to infect dairy herds across the country — including more ...

The U.S. Department of Health and Human Services announced Friday it will award $306 million in additional funding to monitor ...

Humans are unlikely to get sick, but will pets be affected? Are egg prices rising with the spread of bird flu among, well, ...

Previous seasonal flu infections and vaccinations may protect us against infection from the highly pathogenic H5N1 bird flu outbreak.

New research led by scientists at La Jolla Institute for Immunology (LJI) suggests that many people already have immune cells on “stand by” to fight the H5N1 virus, also known as highly pathogenic ...

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

Infectious disease experts say the avian flu case that infected a 13-year-old in British Columbia shows “worrisome” signs that the virus could be mutating to more easily infect humans, but that the ...

A Canadian teen's severe bird flu infection has highlighted growing concerns about the H5N1 virus, commonly known as bird flu ...

Doctors say the case of a teen left in critical condition shows H5N1 "can cause severe human illness." Mutations in the virus are deepening concerns about the spread of H5N1.

A new blood test can predict how long vaccine immunity will last. The revolutionary breakthrough will help to create more ...

In coming years, the bird flu may cost billions of dollars more in expenses and losses. Worse, the outbreak poses the threat ...