Document Type : Original Article
Authors
1 Department of Medical Microbiology and Immunology, Faculty of Medicine, Assiut University, Assiut, Egypt & Ministry of Health and Population, Assiut, Egypt
2 Department of Medical Microbiology and Immunology, Faculty of Medicine, Assiut University, Assiut, Egypt
3 Department of Clinical and Chemical pathology, Faculty of Medicine, Cairo University, Cairo, Egypt
Abstract