1. Department of Veterinary Science, Mattu University, Mattu, Ethiopia
2. Department of Medical Laboratory Science, Debre Berhan University, Debre Berhan, Ethiopia
3. Department of Biomedical Sciences and Immunology, Madda Walabu University, Bale, Ethiopia
4. Aklilu Lemma Institute of Pathobiology, Addis Ababa University, Addis Ababa, Ethiopia