This Sixth Edition - The Most Updated Since Its Inception - Reflects The Profound Substantive And Methodological Changes That Have Come To Characterize Epidemiology And Its Associated Disciplines. Sponsored By The International Epidemiological Association, This Book Remains The Essential Reference For Anyone Studying Or Working In Epidemiology, Biostatistics, Public Health, Medicine, Or The Growing Number Of Health Sciences In Which Epidemiologic Competency Is Now Required.