1. 1Arthropod-Borne Animal Diseases Research Unit, United States Department of Agriculture, Agricultural Research Service, Manhattan, KS, USA
2. 2Koret School of Veterinary Medicine, Hebrew University, Jerusalem, Israel
3. 3Kimron Veterinary Institute, Virology Division, Israel
4. 4Department of Population Health, College of Veterinary Medicine, University of Georgia, Athens, GA, USA
5. 5Department of Pathology, College of Veterinary Medicine, University of Georgia, Athens, GA, USA