DAWN is a national surveillance system that monitors trends in
drug-related emergency department visits and deaths.
DAWN is operated by the Substance Abuse and Mental Health Services
Administration (SAMHSA),
of the U.S. Department of Health and Human Services. SAMHSA is required
to collect data for DAWN under Section 505 of the Public Health
Service Act (42 U.S.C. 290aa-4).
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