1. Department of Medical Microbiology and Immunology, Faculty of Medicine, Assiut University, Assiut 71515, Egypt
2. Department of Microbiology and Immunology, Faculty of Pharmacy, Assiut University, Assiut 71515, Egypt
3. Branch of Biotechnology, Department of Biology, College of Science, Mustansiriyah University, Baghdad P.O. Box 10244, Iraq
4. Department of Internal Medicine and Critical Care, Faculty of Medicine, Assuit University, Assiut 71515, Egypt
5. Department of Pathology, College of Medicine, Qassim University, Buraydah 51452, Qassim, Saudi Arabia
6. Department of Medical Microbiology and Immunology, Faculty of Medicine, Suez Canal University, Ismailia 41522, Egypt