1. Department of Microbial Chemistry, Genetic Engineering and Biotechnology Research Division, National Research Centre, Giza, Egypt
2. Department of Microbiology and Immunology, Faculty of Pharmacy for Girls, Al-Azhar University, Cairo, Egypt;
3. Department of Protein and Manmade Fibre, Textile Industries Research Division, National Research Centre, Giza, Egypt
4. Department of Pharmacology, National Research Centre, Giza, Egypt
5. Department of Pathology, National Research Centre, Giza, Egypt
6. Environmental Virology Lab., Department of Water Pollution Research, Environmental Research Division, National Research Centre, Giza, Egypt