Walid Ahmed Hamid Eldaif2, *Wegdan Elsir Ahmed Ebnoof1, 1B.Sc. Medical Microbiology, Department of Medical Microbiology, Faculty of Medical Laboratory Sciences, Al Neelain University, B.O Box 12702 Postal Code 11121 Khartoum-Sudan 2B.Sc. M.Sc. Ph.D. Medical Microbiology, Department of Medical Microbiology, Faculty of Medical Laboratory Sciences, Al Neelain University, B.O Box 12702 Postal Code 11121 Khartoum-Sudan, Sudan