Since early 2024, the U.S. has logged 66 human cases of H5N1. Scientists are keeping a watchful eye on the virus’s spread as we enter a new year.

Current strains of bird flu are “poorly suited for pandemic potential,” said Dr. Shira Doron, a Tufts Medicine infectious ...

The nation's first human death due to the bird flu occurred this month, the latest development in a global outbreak that, ...

Avian flu is rampant in poultry farms and in wild birds in the U.S. Every mutation brings the virus one step closer to the ...

A recent bird flu death has sparked fears that a "brand-new virus" could potentially mutate under the right conditions and ...

Over the past several months, bird-flu numbers have been steadily ticking up, especially among farmworkers who interact ...

Researchers have identified nine mutations in a bird flu strain from a person in Texas. Bad news: this strain is more capable of causing disease and replicates better in the brain. Good news: approved ...