Affiliation: | a Ministry of Education Key Lab for Avian Preventive Medicine, Yangzhou University, Yangzhou, Jiangsu, People’s Republic of China ; b Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou, Jiangsu, People’s Republic of China ; c The Pirbright Institute & UK-China Centre of Excellence on Avian Disease Research, Pirbright, Surrey, United Kingdom |