Tularemia cases in the U.S. rose by 56% from 2011 to 2022, with central states and American Indian communities most affected, ...

Doctors say the case of a teen left in critical condition shows H5N1 "can cause severe human illness." Mutations in the virus are deepening concerns about the spread of H5N1.

Photo of a wild bird. To the right is a colorized transmission electron micrograph of H5N1 virus particles (purple). H5N1 bird flu is widespread in wild birds worldwide, and in 2024 is causing a ...

As the flu, COVID and RSV spread with help from holiday gatherings, here's how to get tests to help ease your mind.