Affiliation: | 1.Southeast Poultry Research Laboratory, Exotic and Emerging Avian Viral Diseases Research Unit, United States National Poultry Research Center, Agricultural Research Service, United States Department of Agriculture, Athens, GA, USA ;2.Department of Pathology, College of Veterinary Medicine, University of Georgia, Athens, GA, USA ;3.Department of Biotechnology, Virtual University of Pakistan, Lahore, Pakistan ;4.Quality Operations Laboratory (QOL), University of Veterinary and Animal Sciences, Lahore, Pakistan ; |