1. Pharmacognosy Department, National Research Centre, Giza, Egypt
2. Pharmacognosy Department, Faculty of Pharmacy, Cairo University, Giza, Egypt
3. Therapeutic Chemistry Department, National Research Centre, Giza, Egypt
4. Plant Pathology Department, National Research Centre, Giza, Egypt
5. Center of Scientific Excellence for Influenza Viruses, National Research Centre, Dokki, Giza, Egypt