Newsweek has created a map showing which states have recorded the most human bird flu cases ... a state of emergency in response to the current outbreak, has recorded the most cases (34), followed ...

Tom Howarth is a Newsweek reporter based in Bristol, U.K. His focus is reporting on nature and science. He covers climate change, biodiversity, extreme weather, zoonotic diseases and more.

The current bird flu outbreak in the United States, featuring primarily the H5N1 strain, was first detected in wild bird flocks in January 2022, and in commercial poultry operations and backyard ...