A Rb-Sr geochronological study on Tatehira granodiorite, Oshima peninsula, southwest Hokkaido, Japan.

Characterization of sapoviruses detected in Hokkaido, Japan.

Pandemic Influenza Virus Surveillance, Izu-Oshima Island, Japan

A population-based influenza surveillance study (using PCR virus subtyping) on Izu-Oshima Island, Japan, found that the cumulative incidence of influenza A(H1N1)pdm09 virus infections 2 seasons after the pandemic was highest for those 10-14 years of age (43.1%). No postpandemic A(H1N1)pdm09 case-patients had been infected with A(H1N1)pdm09 virus during the pandemic season.

Mineralogical Abstracts from Scientific Papers Published in Japan,

Age Determination 105038 Kawano, Y. & Yuhara, M. Chronological and isotope geological study of Cretaceous granitic rocks, upper reach of the Nakagawa river, Fukuoka Prefecture. J. Geol. Soc. Japan, 114, 218-230, 8 figs., 2 tables (in Japanese with English abstract), 2008. Cretaceous granitic rocks, consisting of Itoshima granodiorite and Sawara granite, are occurred at upper reach of the Nakaga...

Reproductive parameters and cub survival of brown bears in the Rusha area of the Shiretoko Peninsula, Hokkaido, Japan

Knowing the reproductive characteristics of a species is essential for the appropriate conservation and management of wildlife. In this study, we investigated the demographic parameters, including age of primiparity, litter size, inter-birth interval, reproductive rate, and cub survival rate, of Hokkaido brown bears (Ursus arctos yesoensis) in the Rusha area on the Shiretoko Peninsula, Hokkaido...

A cluster of hepatitis E virus infection in Hokkaido, Japan.

On November 16, 2004, the Kitami Health Center (KHC) of Hokkaido, Japan, was notified of a case of hepatitis E in a 69-year-old man who had shown symptoms of diarrhea and fever in the middle of September. He deteriorated rapidly and died of fulminant hepatitis on October 14. A retrospective survey revealed that the patient and his family members had visited a barbecue restaurant on August 14. T...