Affiliation: | (1) Department of Virology, The Institute of Medical Science, The University of Tokyo, 4-6-1 Shirokanedai, Minato-ku, Tokyo, 108-0071, Japan;(2) Department of Veterinary Pathology, Faculty of Agriculture, Miyazaki University, 1-1 Gakuen-kibanadai Nishi, Miyazaki, 889, Japan |