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

Trump's pick for health secretary has a record of attacking vaccines. In fact he's even taken direct aim at bird flu shots.

The viruses behind many cases of cat flu are not transmissible to humans – confusingly, they’re also not related to influenza viruses. The symptoms that kitties get, such as a runny nose, sneezing, ...

The Centers for Disease Control and Prevention says hospitals treating people for the flu should test them for avian ...

The virus impacts milk production and poses significant risks to other bird species, particularly domestic poultry as well as ...

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.

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 ...

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