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 ...

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 ...

The latest confirmation likely reflects follow-up testing of a San Francisco child whose exposure to the virus is still under ...

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

Researchers are comparing the genetic features of the B.C. patient's avian flu strain with that of a Louisiana patient who ...

Data from the USDA shows more than 20 million egg-laying chickens in the U.S. died last quarter because of bird flu.

A British Columbia doctor who treated a 13-year-old avian flu patient says the case has made him concerned about the ...

The announcement comes after Wisconsin has reported its first suspected human case of bird flu. On Dec. 9, Howard Village Board member Cathy Hughes talked about it at the board meeting ...

This is posing severe risks to livestock, wildlife, and humans. USDA is maintaining heightened biosecurity measures to ...