A park employee at the Grand Canyon was exposed to hantavirus, and a separate case of exposure to rabies in the park has also ...

Justices lifted pause on efforts to slash jobs at federal agencies, including the CDC and the Social Security Administration.

The CDC ends its emergency response to H5N1 bird flu after recording 70 human cases and one death nationally, even as experts ...

The United States has broken its record for the highest number of measles cases in the country since the disease was ...