In order to establish effective environmental health programs, locally, nationally, or globally, we must have some basis for resource allocation that will optimize those programs to the greatest health benefit for the most people. Unfortunately, such allocation faces seemingly insurmountable obstacles in the form of political reality and scientific limitations. Nonetheless, there must be links between epidemiological knowledge, surveillance to determine the magnitude of problems, and ultimate environmental (or public health) intervention strategies. The foundation of public health is the concept that it is preferable (in both the personal and the societal realms) to prevent illness rather than to depend on cures. Thus, Public Health has always encountered a visibility problem in that it is most successful when disease is not occurring and therefore not newsworthy for the mass media.
KeywordsEnvironmental Intervention Secondary Transmission Endemic Level Insurmountable Obstacle Nontarget Species
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