Institution: | (1) Department of Virology, Faculty of Veterinary Medicine, Beni-Suef University, 62511 Beni-Suef, Egypt;(2) Division of Virology, Department of Microbiology, College of Medicine and Medical Sciences, Taif University, Al-Taif, Saudi Arabia;(3) Department of Hygiene, Management & Zoonoses, Faculty of Veterinary Medicine, Beni-Suef University, 62511 Beni-Suef, Egypt;(4) Department of Poultry Diseases, Faculty of Veterinary Medicine, Beni-Suef University, 62511 Beni-Suef, Egypt |