Nearly half of the databases that the CDC used to update — tracking health information like Covid vaccination rates and RSV ...

The Centers for Disease Control and Prevention has released a new app for new parents looking to follow the first five years of their child’s growth and development. The Milestone Tracker app, ...

Flu-related pediatric deaths have doubled since last week, according to the CDC. Here's what to know this week, including ...

Flu cases are ticking down, but experts warn the U.S. isn’t out of the woods yet.

Measles tracker: Follow cases, outbreaks and vaccination rates across the U.S. Measles case counts soared to a 34-year high in 2025. NBC News will continue to track totals this year.