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Epidemiology of tuberculosis
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2008
[PDF-317.78 KB]
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Journal Article:Self-study modules on tuberculosis
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Description:The Self-Study Modules on Tuberculosis are a series of educational modules designed to provide information about TB in a self-study format. The series consists of a total of nine modules that are separated into two courses. The first course, Modules 1-5, provides basic information on TB. The second course, Modules 6-9, provides more specific TB programmatic information.
Epidemiology is the study of diseases and other health problems in groups of people. Epidemiologists determine the frequency and pattern (the distribution) of health problems in different communities. In other words, they find out who has a specific health problem, how often the problem occurs, and where the problem occurs. Using this information about who, when, and where, epidemiologists try to determine why the health problem is occurring.
Public health officials use epidemiologic information to design ways to prevent and control the diseases in the community. By finding out who is at risk for a specific health problem, they can target their prevention and control strategies at people who are at risk.
This module examines recent trends in TB in the United States and describes groups of people who are at higher risk for latent TB infection (LTBI) and TB disease. Groups of people who are at higher risk for TB vary from area to area; state and local health departments are responsible for determining specifically who is at risk in their area.
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