1. School of Public Health; College of Health Science and College of Veterinary Medicine; Animal Resources and Biosecurity; Makerere University; Kampala Uganda
2. College of Veterinary Medicine; Animal Resources and Biosecurity; Makerere University; Kampala Uganda
3. School of Public Health; College of Health Science; Makerere University; Kampala Uganda
4. Center for Comparative Epidemiology; Michigan State University; Veterinary Medical Center; East Lansing MI USA