Mohamed O Ahmed1, Jennifer C van Velkinburgh2, Mohamed A Daw3. 1. Department of Microbiology and Parasitology, Faculty of Veterinary Medicine, University of Tripoli, Tripoli, Libya. 2. van Velkinburgh Initiative for Collaboratory Biomedical Research, Santa Fe, NM, USA. 3. Department of Medical Microbiology, Faculty of Medicine, University of Tripoli, Tripoli, Libya.