1. College of Veterinary Medicine and Agriculture, Addis Ababa University, Bishoftu, Ethiopia;
2. Department of Preventive Medicine, School of Public Health, Addis Ababa University, Addis Ababa, Ethiopia;
3. Department of Livestock and One Health, Institute of Infection, Veterinary and Ecological Sciences, University of Liverpool, Liverpool, United Kingdom;
4. International Livestock Research Institute, Addis Ababa, Ethiopia