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    • CDC WONDER API for Data Query Web Service

    Metadata Updated: March 22, 2026

    WONDER online databases include county-level Compressed Mortality (death certificates) since 1979; county-level Multiple Cause of Death (death certificates) since 1999; county-level Natality (birth certificates) since 1995; county-level Linked Birth / Death records (linked birth-death certificates) since 1995; state & large metro-level United States Cancer Statistics mortality (death certificates) since 1999; state & large metro-level United States Cancer Statistics incidence (cancer registry cases) since 1999; state and metro-level Online Tuberculosis Information System (TB case reports) since 1993; state-level Sexually Transmitted Disease Morbidity (case reports) since 1984; state-level Vaccine Adverse Event Reporting system (adverse reaction case reports) since 1990; county-level population estimates since 1970. The WONDER web server also hosts the Data2010 system with state-level data for compliance with Healthy People 2010 goals since 1998; the National Notifiable Disease Surveillance System weekly provisional case reports since 1996; the 122 Cities Mortality Reporting System weekly death reports since 1996; the Prevention Guidelines database (book in electronic format) published 1998; the Scientific Data Archives (public use data sets and documentation); and links to other online data sources on the "Topics" page.

    Access & Use Information

    Public: This dataset is intended for public access and use. License: See this page for license information.

    Downloads & Resources

    Dates

    Metadata Created Date November 10, 2020
    Metadata Updated Date March 22, 2026

    Metadata Source

    Harvested from Healthdata.gov

    Other Data Resources

    Additional Metadata

    Resource Type Dataset
    Metadata Created Date November 10, 2020
    Metadata Updated Date March 22, 2026
    Publisher Centers for Disease Control and Prevention, Department of Health & Human Services
    Maintainer
    Identifier c1e25290-2a81-4584-9c8e-9c21512c252a
    Data First Published 2012-05-30
    Data Last Modified 2023-07-26
    Category Community, Health
    Public Access Level public
    Bureau Code 009:20
    Metadata Context https://project-open-data.cio.gov/v1.1/schema/catalog.jsonld
    Metadata Catalog ID https://healthdata.gov/data.json
    Schema Version https://project-open-data.cio.gov/v1.1/schema
    Catalog Describedby https://project-open-data.cio.gov/v1.1/schema/catalog.json
    Data Quality True
    Harvest Object Id a89e1bad-7ca9-4647-bb0d-064735e7bdb3
    Harvest Source Id 651e43b2-321c-4e4c-b86a-835cfc342cb0
    Harvest Source Title Healthdata.gov
    Homepage URL https://healthdata.gov/dataset/wide-ranging-online-data-epidemiologic-research-wonder
    License https://opendatacommons.org/licenses/odbl/1.0/
    Program Code 009:048
    Source Datajson Identifier True
    Source Hash b954a1288947f597850cd29316f2cf73e531e96b3923706e8a44483ec69ede0c
    Source Schema Version 1.1

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