This is the first comprhensive volume on the methodologic issues in epidemiologic research on infectious diseases. It will be an invaluable resource both to students of epidemiologic research on infectious diseases. It will be and invaluable resource both to students of epidemiology and to established researchers. It covers foundational topics such as immunology and concepts of causation, transmission and dynamics; data resources and measurement; methods by transmission type; outbreak investigation and evaluation research; and special topics such as research on AIDS and collaboration in developing countries.