The CDC determined the person was likely exposed to H5N1 from sick or dead birds in a backyard flock – the first time a U.S.

The virus is spreading among animals, while viral mutations raise concerns about potential adaptation to human hosts.

Public health officials have just reported the first known “severe” case of bird flu in the United States. There are now 61 ...

The bird flu outbreak has spread to all 50 states, these maps show. Here are the symptoms and what to do if you think you ...

Newsweek has created a map showing which states have recorded the most human bird flu cases, after the first human case of ...

A virologist explains that why this probably isn’t the big one — but that it’s a sign of bad things happening with the virus.

As of December 30, there were 66 confirmed cases of H5N1 avian influenza infection in humans in 2024, with about half in ...

"CDC's overall assessment of the immediate risk to the public's health from H5N1 bird flu, which remains low," the announcement stated, citing the Louisiana case. On Wednesday, Wisconsin officials ...

There are now 61 confirmed cases across eight states. Colorized transmission electron micrograph of avian influenza A H5N1 virus particles (yellow). [Photo: CDC and NIAID] BY Michael Grothaus 4 ...