Affiliation: | 1. Department of Microbiology and Immunology, Faculty of Pharmacy, Alexandria University, Egypt;2. Pathogen Molecular Genetics Section, Laboratory of Bacteriology, National Institute of Allergy and Infectious Diseases, US National Institutes of Health, Bethesda, MD, USA;3. Department of Immunology, University Medicine Greifswald, Greifswald, Germany;4. Current affiliation: Department of Immunology, University Medicine Greifswald, Greifswald, Germany |