1. Department of Basic Sciences, Adham University College, Umm Al-Qura University, Makkah 21955, Saudi Arabia
2. Department of Agricultural Microbiology, Faculty of Agriculture, Cairo University, Giza District, Giza 12613, Egypt
3. Texas Biomedical Research Institute, San Antonio, TX 78227, USA
4. Department of Zoonotic Diseases, Faculty of Veterinary Medicine, Zagazig University, Zagazig 44519, Egypt
5. Center of Scientific Excellence for Influenza Viruses, National Research Center, Giza 12622, Egypt
6. Veterinary Sera and Vaccines Research Institute (VSVRI), Agriculture Research Center (ARC), Cairo 11435, Egypt