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日本における日本脳炎ウイルスの生態,特に流行閑期の調査結果に基く考察


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タイトル: 日本における日本脳炎ウイルスの生態,特に流行閑期の調査結果に基く考察
その他のタイトル: Ecology of Japanese Encephalitis Virus in Japan, Particularly the Results of Surveys in Every Interepidemic Season from 1964 to 1976.
著者: 林, 薫 / 三舟, 求真人 / 松尾, 幸子 / 七條, 明久 / 鈴木, 博 / 宇良, 宗輝 / 牧野, 芳大 / 和田, 義人 / 小田, 力 / 茂木, 幹義 / 森, 章夫
著者(別表記) : Hayashi, Kaoru / Mifune, Kumato / Matsuo, Sachiko / Shichijo, Akehisa / Suzuki, Hiroshi / Ura, Muneteru / Makino, Yoshihiro / Wada, Yoshito / Oda, Tsutomu / Mogi, Motoyoshi / Mori, Akio
発行日: 1978年 6月30日
出版者: 長崎大学熱帯医学研究所 / Institute of Tropical Medicine, Nagasaki University
引用: 熱帯医学 Tropical medicine 20(2). p81-96, 1978
抄録: The epiderniological and etiologicai evidences of Japanese encephalitis (JE) were accumulated by many workers. In the epidemic season, we can inform quite clearly the virus dissemination in nature by the virus isolation from vector mosquitoes of Culex tritaeniorhynchus and the examination of hemagglutination inhibition (HI) antibody in pig-sera. In contrast, the overwintering of the virus still remained as a difficult problem in Japan. The ecological inves-tigations were performed in Nagasaki area from 1964 to 1976, in Amami island from 1973 to 1974, and in Okinawa island from 1972 to 1977. The virus isolation from 80,153 of hibernated female vector mosquitoes caught in March and April in Nagasaki area from 1965 to 1973 was unsuccessful. However, JE virus persisting in the female vector mosquitoes caught in February 1973 in Amami island and in February 1976 in Okinawa island was demonstrated and sequential pig-mosquito infections were observed through the year of 1973 in Amami island and of 1976 in Okinawa island. However, the persistence of the virus in vector mosquitoes was interrupted in the following year of 1974 in Amami island and of 1977 in Okinawa island respectively. On the other hand, there is no up-to-date evidence to demonstrate the overwintering of the virus persisted in the warm-and cold-blooded animals or other insects. These evidences suggested that the localized persistence of the virus might be preserved under the suitable conditions and the virus might be carried again from elsewhere to the survey area when it was interrupted in a certain year. Recently, we found a noticeable fact that the female mosquitoes of Culex tritaeniorhynchus were captured by the light traps set up on the ship in the East China Sea in 1973 and 1977. These findings suggest that the population of vector mosquitoes might be transported with the wind blowing into a part of Japan island from certain areas of South East Asia including China continent.
URI: http://hdl.handle.net/10069/4236
ISSN: 03855643
資料タイプ: Departmental Bulletin Paper
出現コレクション:第20巻 第2号

引用URI : http://hdl.handle.net/10069/4236

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