The course's 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 are small group discussions of epidemiologic case exercises based on field investigations. Participants are encouraged to give a short presentation reviewing some epidemiologic data from their own country. Computer training using Epi Info 2000 (Windows® version), a software program developed at CDC and the World Health Organization for epidemiologists, is included. Prerequisites are familiarity with the vocabulary and principles of basic epidemiology or completion of CDC's "Principles of Epidemiology" homestudy course (SS3030) or equivalent. Preference will be given to applicants whose work involves priority public health problems in inter-national health. Early registration deadline is June 1, 2001; late registration deadline is September 1, 2001. There is a tuition charge.