Mohammed I.ELsedig 3, Khalid Enan4, Mohammed J.El-Mak 1, Mohammed Abbas2,, 1 Microbiology Department, Faculty of Medical Laboratory Sciences, Al-Neelain University, Sudan 2 Medical Laboratory Department, College of Applied Medical Sciences, Salman bin Abdulaziz University, Saudi Arabia. 3 Microbiology Department, Faculty of Medical Laboratory Sciences, Karrary University, Sudan 4 Microbiology Department, Faculty of Medical Laboratory Sciences, Al-Neelain University, Sudan, Sudan