ネパールKaski地区Lekhnath市Patneri村における飲料水および土壌の腸管病原性体汚染実態調査

概要

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In Nepal, infectious diseases are highly prevalent and are responsible for morbidity and mortality. In the year of 2008 summer (rainy) season, we investigated the status of enteropathogenic contamination of drinking water and parasitic contamination of the soil at Patneri Village in Lekhnath Municipality in Kaski District, Nepal. A total of 34 water samples were tested for enteropathogeic contamination. All 34 samples tested were positive for coliform bacilli and 68% (23/34) were positive for Escherichia coli. Of the21 soil samples collected, 10% (2/21) were positive for parasite eggs of Ascaris lumbricoides and Trichuris trichiura. Questionnaires revealed that 79% (156/197) of households were keeping some kind animals in their house and 94% (184/195) of houses had a toilet. Despite of this it was interesting to observe only human parasites eggs in the positive soil samples. These results indicated that water contamination with fecal matter is more important than soil contamination with helminth parasite eggs. Low prevalence of soil contamination with helminth parasite eggs appears to be attributed to distribution of albendazole tablets during nationwide vitamin-A program.
神戸常盤大学の論文
2010-04-01