滋賀県下における日本脳炎の疫学的研究(1965～1973年)

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書誌事項

タイトル別名
  • Epidemiological Studies of Japanese Encephalitis in Shiga Prefecture (1965∼1973)
  • 滋賀県下における日本脳炎の疫学的研究(1965～1973年)-3-日本脳炎ウイルス保有可能性動物の検討
  • シガケンカ ニ オケル ニホン ノウエン ノ エキガクテキ ケンキュウ 196
  • Epidemiological Studies of Japanese Encephalitis in Shiga Prefecture (1965^|^sim;1973)
  • III. Study of Host Animal Range for Japanese Encephalitis Virus
  • 第III編日本脳炎ウイルス保有可能性動物の検討

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抄録

In the ecology of Japanese encephalitis virus (JEV), the host animal for the virus during the non-epidemic season still remains uncertain.<BR>In this paper, the author sought to determine the animal species which play an important role in the transmission of JEV just before an epidemic.<BR>Sera were collected from wild herons, rats, snakes, lizards, and domestic fowls. Antibody-free dogs and rabbits, placed at two points as sentinels, were bled biweekly for two years. A prevalence of hemagglutination inhibition (HI) antibody was shown in dogs, rabbits, domestic fowls, herons and snakes, while not in rats and lizards. Seasonal transitions of HI titer chased in the sera of sentinel animals. The serum of each sentinel animal showed ascending HI titer late in July to early in August. All these results and other literature suggest that hibernating animals may play an important role as viral host during the winter season. Migratory birds may transmit JEV from endemic areas, such as South East Asia, to Japan and these two groups of animals may transmit JEV and cause epidemics in Japan.

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