1. Department of Microbiology, Faculty of Veterinary Medicine, University of Kufa, Kufa, Iraq.
2. Department of Public Health, Faculty of Veterinary Medicine, University of Kufa, Kufa, Iraq.
3. Department of Pathology, Faculty of Veterinary Medicine, University of Kufa, Kufa, Iraq.
4. Etiologic, San Francisco, California, United States.