The U.S. hasn’t learned lessons from the COVID-19 pandemic that it could use to mitigate the threat of pathogens like H5N1 ...

The CDC has confirmed 65 cases of H5N1 bird flu in humans in 2024. Of those, 39 were associated with dairy herds and 23 with ...

The ongoing spread of bird flu in the United States has alarmed experts — not just because of human cases causing severe illness, but also due to troubling new instances of infections in cats. A ...

Bird flu could be mutating to become more transmissible to humans, scientists have warned, as the US reported its first ...

The agency, in its latest update released Thursday, said the mutations were not found in samples taken from wild birds, suggesting the virus changed over the course of the patient’s infection.

The CDC warns samples of the bird flu virus show signs of mutations that could make it more transmissible to humans. The CDC ...

Here’s what to know about the United States’ first confirmed severe case of H5N1 avian influenza—and how to protect yourself.

The CDC recently reported findings from an analysis of specimens collected from the patient in Louisiana who became severely ill from H5N1 avian flu, and found genetic mutations that, according to ...

First Severe Bird Flu Case Confirmed In USNotably, these mutations weren’t present in the bird samples, suggesting they ...

“The changes observed were likely generated by replication of this virus in the patient with advanced disease rather than ...