Epidemiology Kept Simple introduces the epidemiological principles and methods that are increasingly important in the practice of medicine and public health. Topics include disease causality, epidemiologic measures, descriptive epidemiology, study design, clinical and primary prevention trials, cohort studies, case-control studies, and the consideration of random and systematic error in studies of causal factors. Chapters on the infectious disease process, outbreak investigation, and screening for disease are also included. Department of Health Science and Recreation