1. Dermatology, Venereology and Andrology Department Faculty of Medicine Zagazig University Zagazig Egypt
2. General Dermatology Department Cairo Hospital for Dermatology and Venereology (Al‐Haud Al‐Marsoud) Cairo Egypt
3. Medical Microbiology and Immunology Department Faculty of Medicine Zagazig University Zagazig Egypt
4. Tropical medicine Department Faculty of Medicine Zagazig University Zagazig Egypt