Institution: | (1) Department of Virology and Rickettsiology, National Institute of Health, Shinagawa-ku, Tokyo, Japan;(2) The Plum Island Animal Disease Laboratory, Agriculture Research Service, U.S. Department of Agriculture, Greenport, New York, USA;(3) Division of Virology, St. Jude Children's Research Hospital, N. Lauderdale, Memphis, Tennessee, USA |