1. Center of Scientific Excellence for Influenza Viruses, National Research Centre (NRC), Dokki, Giza, Egypt
2. Department of Infectious Diseases, St. Jude Children’s Research Hospital, Memphis, TN, USA
3. Human Link, Hazmieh Baabda 1107-2090, Lebanon
4. Department of Epidemiology, Human Genetics, and Environmental Sciences University of Texas Health Sciences Center, Houston, Texas, USA