Introduction to Public Health is a 3-credit course, a basic course in epidemiology is directed at public health professionals from different countries including developed and developing countries. Its content includes presentations and discussions of epidemiologic principles, basic statistical analysis, public health surveillance, field investigations, surveys and sampling, and discussions of the epidemiologic aspects of current major public health problems in international health. Included   a small group discussion of epidemiologic case exercises based on field investigations. Participants are encouraged to give a short presentation reviewing some epidemiologic data from their own experienced data for their research.