Affiliation: | aState Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, Hubei, People’s Republic of China;bKey Laboratory of Preventive Veterinary Medicine in Hubei Province, The Cooperative Innovation Center for Sustainable Pig Production, Wuhan, Hubei, People’s Republic of China;cDepartment of Diagnostic Medicine and Pathobiology, Kansas State University, Manhattan, Kansas, USA |