This course offers the concepts, viewpoints of epidemiology. It provides highly specialized knowledge in the field of public health epidemiology, by giving importance for various methods for assessing factors associated with the distribution and etiology of disease and health related events in a community. Skills include approaches for identifying and evaluating sources of health information, calculation of key epidemiologic measures, epidemiological investigation techniques, and evaluation of the strengths and weaknesses of different study designs. Also the course offers the methods to detect the health related events as early as possible through screening techniques. Public health surveillance, observation, monitoring, screening, hypothesis formulation and testing, descriptive, analytical and experimental research and prediction are part of epidemiology.