资讯

Data investigation: Childhood vaccination rates are backsliding across the U.S.

A monthslong NBC News data investigation finds that much of the U.S. doesn't have the protection needed to stop the spread of ...

Behind the data: How we got the story

A generation ago, infectious childhood diseases were nearly wiped out in the U.S., thanks to immunization programs. In the most comprehensive data investigation of its kind, we show how that ...