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India's public-health programme to find and cure tuberculosis and to cut its spread, using free diagnosis and supervised treatment.
Find early and cure fully: free diagnosis, supported treatment to ensure adherence, molecular tests for resistance, completing the course to stop drug resistance, and contact tracing.
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.