Epidemiology, Biostatistics & Research in CHN

What it covers

• What epidemiology is, and the three models of causation
• The natural history of disease and the window each level of prevention aims at
• Sporadic, endemic, epidemic, pandemic
• Incidence versus prevalence, and the duration rule that links them
• Herd immunity, and the one disease it does not work for
• Rate, ratio and proportion — and reading the denominator first
• The six vital rates, worked
• Swaroop's index, the one that runs backwards
• Where the numbers come from: census de jure, Act 3753, the 30-day rule, and the PSA
• Sex ratio, dependency ratio and the three population pyramids
• Outbreak investigation and the epidemic curve
• Screening, sensitivity, specificity and why the predictive values move
• Health education in a barangay, and teach-back
• The research process, the designs, sampling, validity, the statistics and the ethics