1. Department of Microbiology and Immunology, Faculty of Biomedical Sciences, Kampala International University-Western Campus, P.O. Box 71 Bushenyi, Uganda
2. Department of Microbiology and Immunology, Division of Biomedical Sciences, Kabale University School of Medicine, P.O. Box 315 Kabale, Uganda
3. Department of Animal Sciences, Faculty of Agriculture and Environmental Sciences, Kabale University, P.O. Box 317 Kabale, Uganda