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Public Health Service

The U.S. Public Health Service (PHS) was structured under the Public Health Service Act of 1944as the primary division of the Department of Health, Education and Welfare (HEW) which was later renamed the United States Department of health and Human Services (HHS). The PHS comprises all Agency Divisions of Health and Human Services including:
-Administration for Children and Families (ACF);
-Administration on Aging (AoA);
-Agency for Healthcare Research and Quality (AHRQ);
-Agency for Toxic Substances and Disease Registry (ATSDR);
-Centers for Disease Control and Prevention (CDC);
-Centers for Medicare & Medicaid Services (CMS);
-Federal Occupational Health (FOH);
-Food and Drug Administration (FDA);
-Health Resources and Services Administration (HRSA);
-Indian health Service (HIS);
-National Institutes of Health (NIH);
-Substance Abuse and Mental Health Services Administration (SAMHSA); and
-Public Health Service Commissioned Corps.

The central mission of the PHS is to protect the health of the country's population.

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