1. Madikwe Game Reserve; North West Parks Board, PO Box 4124 Rustenburg 0300 South Africa
2. Rabies Unit; Onderstepoort Veterinary Institute; Private Bag X5 Onderstepoort 01 10 South Africa
3. Department of Pathology; Faculty of Veterinary Science; University of Pretoria; Private Bag X4 Onderstepoort 01 10 South Africa
4. Department of Microbiology and Plant Pathology; Biological and Agricultural Sciences; University of Pretoria; Pretoria 0002 South Africa