Information about the "Welfare and Epidemiology: Across Species, Across Disciplines, and Across Borders," held in Ames, Iowa on July 14-16, 2008 is presented. The topics discussed at the conference include research in epidemiology, animal science and veterinary medicine. The event was organized by Iowa State University, Ontario Veterinary College, and Norwegian School of Veterinary Sciences with an aim to create awareness that links between animal welfare and epidemiology scientific disciplines.