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Public Health "and the science of preventing disease, art, life-long and concerted efforts and informed choices of society, organizations, public and private, communities and individuals to promote health through" (1920 CEA Winslow). [1] The population health refers to the analysis based on the health hazards. A handful of people in the population in question as little or as many continents as all residents (for example, in the event of a pandemic) could be as big. Dimensions of health as published by the United Nations World Health Organization [2] define the "complete physical, mental and social, not just absence of disease or infirmity of the state" are included. Public health, epidemiology, biostatistics and health services including interdisciplinary approach. Environmental health, health care, mental health and other important areas of health care.

Promotion of hand washing and lactation for vaccines and a combined public health measures to prevent the spread of sexually transmitted diseases, condom distribution and control are examples. The modern practice of public health specialists / health community medicine / experts are required, including multidisciplinary teams, infectious diseases, epidemiologists, biostatisticians, public health nurses, microbiologists, health professionals, environmental officers, dental hygienists, dieticians and nutritionists, health inspectors, veterinary, public health engineers, lawyers, public health, sociology, community development workers, communications officers and other

National governments and the Global Alliance forVaccines and immunization programs and the Global AIDS, Tuberculosis, and medical intervention havecommitted expansion and the Millennium Development (MDG) targets and the need for information to obtain funds to fight malaria, including international organizations, these cost of extending measures.is to identify the factors that interventions.The describetypical increased costs and coverage for different types of measures that affect the cost curves. Thirty-seven studies found, three containingcost program data, which had already been implemented. Other studies, cost projections or qualitative descriptions of factors influence the cost of the intervention arescaled eitherquantitative proposed and used to determine the key factors in growth.

Cost curves for various medical interventions thescaling data.This can not show the available data can be verified that the specific cost of extending the intervention? C ofintervention both types and specific environments. May, however, shows the general principles of literature, derives the process: urban and rural economies of scale anddiseconomies jo and variable cost components separately to identify and remove the unit cost, and potential human health assessavailability resource calculation and heard? Administrative costs that a significant canconstitute?