Public health definition

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Definition of public health in wikipedia

The science and art of preventing disease, prolonging life and promoting well being through the organized efforts and informed choices of society, organizations, public and private, communities and individuals.” (definition by Wikipedia).

Definition in Wiktionary

The science and practice of community hygiene; includes preventive medicine, health education, sanitation and environmental safety.

Definition in Medterms medical dictionary

The approach to medicine that is concerned with the health of the community as a whole. It has been said that: “Health care is vital to all of us some of the time, but public health is vital to all of us all of the time.” (definition by Medterms).

This science is divided into fields like biostatistics, environment, social behaviour, epidemiology, occupation and epidemiology.

CDC Get Smart - healthy adult
CDC Get Smart – Healthy adult

This public service has two distinct characteristics. The first characteristic deals with preventive rather than curative aspects. The second characteristic deals with population-level, rather than individual-level of issues.

Now the focus of this social service is to prevent rather than treat a disease through surveillance, follow up and monitoring of cases and the promotion of cleanliness.

In addition, in most cases treating a disease can be vital and important to preventing its spread to others, such as during an outbreak of infectious epidemic.

Novel Coronavirus Infographic-symptoms
Novel Coronavirus Infographic-symptoms

It is also equally important to protect a community from contaminated food or water sources. Vaccination programs and distribution of medical face masks are examples of public health measures.

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1.Image source:
Image author: United States Centers for Disease Control and Prevention
Image license: Public domain
2.Image source:
Image author: United States Centers for Disease Control and Prevention
Image license: Public domain

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