Tatsuya Kariya,¹ Makoto Igarashi,¹ Kazuo Wada,² Vladimir N. Burkanov,³ Satoshi Koyama,⁴ Hiroshi Hoshino,^5,* Tatsuo Oshida<sup>6,**

1</sup>1National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary M
²2Primate Research Institute, Kyoto University, Inuyama 484-8506, Japan
³3National Marine Mammal Laboratory, AFSC, NMFS, NOAA, 7600 Sand Point Way, NE, Building 4, Seattle,
⁴4Department of Veterinary Medicine, Faculty of Agriculture, Tokyo University of Agriculture and Tech
⁵5Graduate School of Fisheries Sciences, Division of Marine Environment and Resources, Hokkaido Unive
⁶6Laboratory of Wildlife Ecology, Obihiro University of Agriculture and Veterinary Medicine, Obihiro

^*Present address: Laboratory for Toxicology, Graduate School of Veterinary Medicine, Hokkaido University, Sapporo 060-0818, Japan
^**To whom correspondence should be addressed. E-mail: oshidata@obihiro.ac.jp