1 Sanya Institute of Nanjing Agricultural University, Sanya, China.
2 Guangdong Provincial Key Laboratory of Zoonosis Prevention and Control, College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, PR China.
4 Sanya Institute of Nanjing Agricultural University, Sanya, China. Electronic address: [email protected].
5 Guangdong Provincial Key Laboratory of Zoonosis Prevention and Control, College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, PR China. Electronic address: [email protected].
6 Institute for Virology, Center for Infection Medicine, Veterinary Faculty, Free University Berlin, Germany. Electronic address: [email protected].