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Notice to Readers: Maps of National, State, and County Data Now Available on CDC WONDER

Two CDC online data-access systems, WONDER (Wide-ranging Online Data for Epidemiologic Research) and GATHER (Geographic Analysis Tool for Health and Environmental Research), have collaborated to produce maps for WONDER data-query applications. WONDER users can now create maps for each data element measured, select quantiles or set custom break-points for data groups, choose whether to display highways and rivers, add labels, and choose a color scheme. Maps are available for the following WONDER data requests:

Mapping capability will eventually be available for other data-query applications with location data elements.

WONDER (available at is an Internet system that makes CDC information resources and public health information available to public health professionals and the general public. GATHER (available at uses spatial analysis tools for public health applications, and is a product of CDC's Geographic Research, Analysis, and Services Program of the National Center for Environmental Health/Agency for Toxic Substances and Disease Registry.

Use of trade names and commercial sources is for identification only and does not imply endorsement by the U.S. Department of Health and Human Services.

References to non-CDC sites on the Internet are provided as a service to MMWR readers and do not constitute or imply endorsement of these organizations or their programs by CDC or the U.S. Department of Health and Human Services. CDC is not responsible for the content of pages found at these sites. URL addresses listed in MMWR were current as of the date of publication.

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Safer, Healthier People

Morbidity and Mortality Weekly Report
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This page last reviewed 11/10/2004