日本脳炎ウイルスの生態学の研究 : 1969年,1970年及び1971年の調査成績

  • Hayashi Kaoru
  • Shichijo Akehisa
  • Mifune Kumato
  • Matsuo Sachiko
  • Wada Yoshito
  • Mogi Motoyoshi
  • Itch Tatsuya
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Publication date
December 1973
Publisher
Institute of Tropical Medicine, Nagasaki University

Abstract

Serial surveys on the ecology of Japanese encephalitis virus in Nagasaki area were made during from 1969 to 1971. In total, 11,229 hibernated female mosquitoes of Culex tritaeniorhynchus were caught in early spring every year for virus isolation, however it was unsuccessful. The significant increase of hemagglutination inhibition antibody possessing rate in the sera of slaughtered pigs in early spring was not found in these three years. Virus isolations from the vector mosquitoes in epidemic season were made from 1st to 26th of August in 1969, from 19th of July to 16th of August in 1970 and from 13th to 27th of July in 1971, respectively. Although the isolation efficiencies were not remarkably different at the highest level in a certain lim...

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