Badawi HE a , Kamel AI b , Fam NS a , El-Sayed ME a , Elian SAE c . a Theodor Bilharz Medical Research Institute (TBMRI ), Microbiology, Giza, Egypt , b Theodor Bilharz Medical Research Institute (TBMRI ), Urosurgery, Giza, Egypt , c Faculty of Medicine, Medical Microbiology and Immunology, Cairo University, Cairo, Egypt Objectives: