インドネシア共和国北スマトラ州アサハン地域における腸管寄生蠕虫調査

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  • 熊澤 教眞
    東京大学医科学研究所細菌感染研究部 鳥取大学農学部獣医学科
  • SINULINGGA SUDI
    Regional Health Laboratory in Medan, Medan, Indonesia (Director : R. Sudiranto)

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タイトル別名
  • Preliminary survey on intestinal helminths in asahan area of North Sumatra, Indonesia.

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Surveys on human intestinal helminths were conducted in Asahan Regency of North Sumatra, Indonesia, during a period between May 1979 and July 1980. The overall positive rates of eggs in fecal specimens were 77.5 per cent for Ascaris lumbricoides, 88.2 per cent for Trichuris trichiura and 60.5 per cent for hookworms. Necator americanus and Ancylostoma duodenale were detected in 75.7 and 29.1 per cent of 247 hookworm positive fecal specimens, respectively. Positive rates of eggs were correlated negatively in A. lumbricoides and positively in hookworms with ratios of rice field area to the gross area in each village. Candidates breeding pigs harbored higher rates of hookworm eggs than those without pig, while the former harbored lower rates of eggs of A. lumbricoides and T. trichiura than the latter. Positive rate of A. lumbricoides eggs was lower in rice farmers than that in fishermen while that of hookworm eggs was higher in the former than that in the latter. Contribution of sources of drinking water to positive rates of the three predominant helminth eggs was not clear.

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