1. Division of Vector-Borne Infectious Diseases, National Center for Infectious Diseases, Centers for Disease Control and Prevention, Fort Collins, CO 80522, USA.
2. Unité des Arbovirus et Virus des Fièvres Hémorragiques, Institut Pasteur–Paris, 75724 Paris Cedex 15, France.
3. Divisions of Virology and Pathology, Virology Division, U.S. Army Medical Research Institute of Infectious Diseases (USAMRIID), Fort Detrick, Frederick, MD 21701, USA.
4. Department of Microbiology and Parasitology, University of Queensland, Brisbane, Queensland 4072, Australia.
5. National Veterinary Services Laboratories (NVSL), Animal and Plant Health Inspection Service, U.S. Department of Agriculture, Ames, IA 50010, USA.
6. Division of Avian Diseases, Kimron Veterinary Institute, Ministry of Agriculture and Rural Development, Beit-Dagon 50250, Israel.
7. Wildlife Pathology Unit, Division of Fish, Wildlife and Marine Resources, New York State Department of Environmental Conservation, Delmar, NY 12054, USA.
8. Wildlife Conservation Society, Bronx, NY 10460, USA.