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National Vital Statistics System (NVSS) on CDC WONDER (Wide-ranging Online Data for Epidemiologic Research)

Published by National Center for Environmental Health (NCEH), Division of Environmental Health Science and Practice (DEHSP), Asthma and Air Quality Branch (AAQB) | U.S. Department of Health & Human Services | Catalog Last Checked: September 28, 2026 at 08:25 PM
CDC WONDER is a web-based public health query system used by the program to obtain aggregate mortality statistics derived from the National Vital Statistics System (NVSS) Multiple Cause of Death files for asthma surveillance.

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