School of Veterinary Medicine, University of Zambia, Lusaka, Zambia;
School of Veterinary Medicine Department of Disease Control, University of Zambia, P.O Box 32379, Lusaka, Zambia;
School of Veterinary Medicine, University of Zambia, Lusaka, Zambia;
School of Veterinary Medicine, University of Zambia, Lusaka, Zambia;
Department of Economics, University of Zambia, Lusaka, Zambia;
School of Veterinary Medicine, University of Zambia, Lusaka, Zambia;
Division of Infection and Pathway Medicine and Centre for Infectious Diseases,School of Biomedical Sciences, College of Medicine and Veterinary Medicine,The University of Edinburgh, Chancellor's Building, 49 Little France Crescent,Edinburgh, Scotland EH16 4SB, UK;
The Royal(Dick)School of Veterinary Studies and the Roslin Institute, University of Edinburgh, Roslin EH25 9RG,UK;
Division of Infection and Pathway Medicine and Centre for Infectious Diseases,School of Biomedical Sciences, College of Medicine and Veterinary Medicine,The University of Edinburgh, Chancellor's Building, 49 Little France Crescent,Edinburgh, Scotland EH16 4SB, UK;
Ap Consultants, Walworth Enterprise Centre, Andover SP10 5AP, UK;
Division of Infection and Pathway Medicine and Centre for Infectious Diseases,School of Biomedical Sciences, College of Medicine and Veterinary Medicine,The University of Edinburgh, Chancellor's Building, 49 Little France Crescent,Edinburgh, Scotland EH16 4SB, UK;