*Walid A. H. Eldaif 2, Hiba Nugdalla Allah1, Abdorahman 2,, 1 B.Sc. Medical Microbiology, Department of Medical Microbiology, Faculty of Medical Laboratory Sciences, Al Neelain University, Sudan. 2 B.Sc. M.Sc. Ph.D. Medical Microbiology, Department of Medical Microbiology, Faculty of Medical Laboratory Sciences, Al Neelain University, Sudan., Sudan