1. Center of Scientific Excellence for Influenza VirusesNational Research Centre, Giza 12311, Egypt
2. General Organization of Veterinary ServicesMinistry of Agriculture and Land Reclamation, Giza 11772, Egypt
3. Department of Biochemistry, Faculty of ScienceAin Shams University, Cairo 38105, Egypt
4. Department of Infectious DiseasesSt Jude Children’s Research Hospital, Memphis, TN 77030, USA
5. Department of Epidemiology, Human Genetics, and Environmental SciencesUniversity of Texas, Houston, TX 77030, USA
6. Human Link, Baabda 1107-2090, Lebanon