| Affiliation: | (1) Department of Virology, Research Institute for Microbial Diseases, Osaka University, Osaka 565-0871, Japan;(2) Research Center for Animal Hygiene and Food Safety, Obihiro University of Agriculture and Veterinary Medicine, 2-11 Inada, Obihiro Hokkaido, 080-8555, Japan;(3) Department of Agro-Environmental Science, Obihiro University of Agriculture and Veterinary Medicine, Obihiro Hokkaido, 080-8555, Japan;(4) Research Team of Viral Diseases, National Institute of Animal Health, Tsukuba Ibaraki, 305-0856, Japan; |
