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.

As health officials track bird flu cases, we're getting answers about what this could mean for human transmission.

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 ...

Avian flu is slowly making its way around the islands, with the most recent discovery linked to wastewater samples on Kauaʻi.

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 ...

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

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, ...

In early December 2024, a group of researchers published an article in the journal Science, entitled "A single mutation in ...

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

Why the results surprised anyone is itself a surprise. After the state of California began testing dairy herds for highly ...

Even as the world fixates on hMPV, a genuine pandemic threat is emerging in the form of H5N1 bird flu. The virus has jumped ...