Moussa I. M.1*, Kh. F. Mohamed2, Marwah Mohamed3, Nasr E. A.3, Atef M. Shibl4, Mounir M. Salem-Bekhit4 and Hatem M. E.2
1Center of Excellence in Biotechnology Research, King Saud University, P. O. Box 2460 - Riyadh11451, King Saudi Arabia.
2Department of Microbiology, Faculty of Veterinary Medicine, Cairo University, Giza, Egypt.
3Department of Bacterial Diagnostic Products Veterinary Serum and Vaccine Research Institute, Abbassia, Cairo, Egypt.
4College of Pharmacy, King Saud University, P. O. Box: 2457, Riyadh 11451, Saudi Arabia.
