CDC WONDER (Wide-ranging Online Data for Epidemiologic Research)

Unrestricted Access


This is a freely accessible website for querying public use data sets about mortality, cancer incidence, hospital discharges, AIDS, behavioral risk factors, diabetes and other topics.

User tools and features

Search via text box or browse through an A-Z topic list to find information.  Specializes in public health data, such as morbidity and mortality.

Dates covered

Most recent.

Updating frequency



Published/unpublished studies, government databases/databanks.

Type of coverage


Print counterpart or
related resources

Formerly print publications are now Web-based.

Producer/content provider

U.S. Centers for Disease Control