Definitions for public health
Random House Webster's College Dictionary
health services to improve and protect community health, esp. preventive medicine, immunization, and sanitation.
The science and practice of community hygiene; includes preventive medicine, health education, sanitation and environmental safety.
U.S. National Library of Medicine
Branch of medicine concerned with the prevention and control of disease and disability, and the promotion of physical and mental health of the population on the international, national, state, or municipal level.
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