1. Lephalale Veterinary Laboratory, Veterinary Services, Department of Agriculture and Rural Development,
South Africa
2. Epidemiology and Training Programme, Agricultural Research Council: Onderstepoort Veterinary Research,
South Africa
3. Animal Health Division, Lephalale Veterinary Services, Department of Agriculture and Rural Development,
South Africa
4. Virology Section, Agricultural Research Council: Onderstepoort Veterinary Research,
South Africa
5. Bacteriology Section, Agricultural Research Council: Onderstepoort Veterinary Research,
South Africa