1. State Key Laboratory of Veterinary Etiological Biology, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou 730030, China
2. Department of Clinical Studies, Faculty of Veterinary and Animal Sciences, PMAS-Arid Agriculture University Rawalpindi, Rawalpindi 10370, Pakistan
3. College of Animal Husbandry and Veterinary Medicine, Southwest Minzu University, Chengdu 610041, China
4. Department of Sociology, Allama Iqbal Open University Islamabad, Islamabad 44310, Pakistan
5. Virology Section, Centre of Microbiology and Biotechnology (CMB), Veterinary Research Institute Peshawar, Peshawar 25130, Pakistan