1. 1Vectors and Vector-borne Diseases Research Programme, Department of Veterinary Tropical Diseases, Faculty of Veterinary Science, University of Pretoria, Private Bag X04, Onderstepoort 0110, South Africa
2. 2Program in Genomics, Department of Veterinary Microbiology and Pathology, Washington State University, Pullman, WA, 99164-7040, USA