1. Department of Pharmacognosy, Faculty of Pharmacy, Cairo University, Cairo, Egypt
2. Pharmaceutical Chemistry Department, Faculty of Pharmacy, Future University in Egypt (FUE), Cairo, Egypt
3. Center of Scientific Excellence for Influenza Viruses, National Research Centre, Giza, Egypt
4. Department of Microbiology and Immunology, Egyptian Drug Authority, Egypt
5. Department of Microbiology and Immunology, Faculty of Pharmacy, Ahram Canadian University, Giza, Egypt