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Public health is defined as the science for preventing diseases, protecting the safety, prolonging life of communities and promoting human health through education, policy making and research for disease and injury prevention.
Public health is an interdisciplinary science connects with epidemiology, biostatistics, environmental health, behavioural health, community health, public policy, mental health and occupational health, health economics, sexual and reproductive health are other important subfields.
Public health professionals are trained to perform the following essential duties:
The public health field currently experiencing shortage of 250,000 professionals in U.S. population approximately one-third of the personnel needed to identify, diagnose, prevent and new and emerging public health threats.
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