1 Regional Laboratory for Animal Influenza, Infectious and Transboundary Diseases, National Veterinary Research Institute, Vom, 930101, Nigeria; Department of Veterinary Public Health and Preventive Medicine, Faculty of Veterinary Medicine, University of Jos, Jos, Nigeria. Electronic address: cameseko@yahoo.com.
2 Department of Veterinary Public Health and Preventive Medicine, Faculty of Veterinary Medicine, University of Jos, Jos, Nigeria.