Introduction to Epidemiology Epidemiological Study Designs Bias, Confounding, and Effect Modification Causality and Causal Inference Public Health Surveillance and Outbreak Investigation Experimental Epidemiology and Randomized Controlled Trials Statistics Free Trial Ethics, Professionalism, and Emerging Areas in Epidemiology Measures of Disease Frequency and Effect Measures of Disease Association and Impact Measures of Public Health Impact (Attributable Risk) Screening and Diagnostic Tests Evaluating Public Health Programs and Interventions Epidemiology, Public Health Policy, and Global Health Challenges Public Health Surveillance and Screening