As new cases are reported, our maps and illustrations show the spread of the virus and how infections can run through a ...

Texas announced the first measles death in the U.S. in a decade last week amid an ongoing outbreak. Here's where measles has been recorded.

There are 70 confirmed cases of the bird flu among humans in the U.S., as of Tuesday. The CDC said the current public health risk is low.

Measles cases have surpassed 300 in the U.S. in 2025 thus far, more than the total number of infections seen in all of 2024.

Measles cases are popping up across the United States, including an outbreak in Texas that has led to the death of a child.