[1] Zhejiang University,College of Animal Sciences, Zhejiang Provincial Key Laboratory of Preventive Veterinary Medicine
[2] ZJU-Xinchang Joint Innovation Centre (TianMu Laboratory),Zhejiang Key Lab of Vaccine, Infectious Disease Prevention and Control
[3] Zhejiang Provincial Center for Disease Control and Prevention,undefined
[4] Zhejiang Provincial Center for Animal Disease Control and Prevention,undefined