CDC WONDER

WONDER online databases utilize a rich ad-hoc query system for the analysis of public health data. Reports and other query systems are also available.
Data & Site Updates

During the government shutdown, only websites supporting excepted functions will be updated. As a result, the information on this website may not be up to date and the agency may not be able to respond to inquiries. Updates regarding government operating status and resumption of normal operations can be found at https://www.opm.gov/.

See What's New

WONDER Online Databases

National Notifiable Conditions

Other Query Systems

Denotes numerical data available to query or download
Page last reviewed: October 01, 2025
Content source: CDC WONDER