Rodrick Wallace, Division of Epidemiology, New York State Psychiatric Institute at Columbia University Luis Fernando Chaves, Department of Vector Ecology and Environment, Institute of Tropical Medicine at Nagasaki University Luke Bergmann, Department of Geography, University of Washington Constância Ayres, Vice-Director, Fiocruz, Brazil Lenny Hogerwerf, Centre for Infectious Disease Control, National Institute for Public Health and Environment (RIVM), The Netherlands Richard Kock, Department of Pathology and Pathogen Biology, Royal Veterinary College, London Robert G. Wallace, Institute for Global Studies, University of Minnesota