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Public health is defined as “the science and art of preventing disease, prolonging life, and promoting health through the organized efforts of society.” Public health has made a significant impact on the health of populations


Health is determined by a complex interaction between individual characteristics, lifestyles and behaviour, the physical social and economic environment. Therefore, to make a difference in health action is required at all these layers. Public health focuses on upstream factors to make changes that can benefit the health of the population as a whole.  The three core areas of public health are Protection, Promotion and Prevention. To enable these core areas to function requires good governance, advocacy, information and having a well-trained and well-supported workforce.


The responsibility of creating a healthy community rests with all sectors of society. Although traditionally, health departments have had a central role in public health, improving the health of a population requires a coordinated effort of many areas of Government, the Private sector, Non-Governmental Organizations and Communities….....all united with the shared goal of improving the health of the public.

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