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The measures that describe a population's births, deaths and structure.
Infant and maternal mortality are the health thermometers of a nation.
The Epidemiological Triad
The classic model of disease causation and its use in outbreak control.
Levels of Prevention
Interventions applied at different points along the natural history of disease.
Endemic, Epidemic & Pandemic
Terms describing how much disease is present in a population.
Screening (Wilson's Criteria)
Testing apparently healthy people to detect disease early.
Sensitivity & Specificity
Measures of how well a diagnostic test performs.
Epidemiological Study Designs
The main designs used to study disease and its causes.