1 College of Veterinary Medicine, South China Agricultural University, Guangzhou, 510642, China; National Avian Influenza Para-Reference Laboratory (Guangzhou), Guangzhou, China; National and Regional Joint Engineering Laboratory for Medicament of Zoonoses Prevention and Control, National Development and Reform Commission of the People's Republic of China, Guangzhou, China; Key Laboratory of Zoonoses, Ministry of Agriculture and Rural Affairs of the People's Republic of China, Guangzhou, China.
2 National Avian Influenza Para-Reference Laboratory (Guangzhou), Guangzhou, China; National and Regional Joint Engineering Laboratory for Medicament of Zoonoses Prevention and Control, National Development and Reform Commission of the People's Republic of China, Guangzhou, China; Key Laboratory of Zoonoses, Ministry of Agriculture and Rural Affairs of the People's Republic of China, Guangzhou, China. Electronic address: mliao@scau.edu.cn.
3 College of Veterinary Medicine, South China Agricultural University, Guangzhou, 510642, China; National Avian Influenza Para-Reference Laboratory (Guangzhou), Guangzhou, China; National and Regional Joint Engineering Laboratory for Medicament of Zoonoses Prevention and Control, National Development and Reform Commission of the People's Republic of China, Guangzhou, China; Key Laboratory of Zoonoses, Ministry of Agriculture and Rural Affairs of the People's Republic of China, Guangzhou, China; Key Laboratory of Zoonoses Prevention and Control of Guangdong Province, Guangzhou, China. Electronic address: qiwenbao@sCau.edu.cn.