ネパール Kaski 地区における生活水の病原性微生物汚染実態調査

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Diarrheal disease is one of the most important causes of morbidity and mortality particularly among children in the developing countries with poor water sanitation. In the rainy season of 2009, a study on enteropathogenic contamination was performed for the water supply in the Kaski District of Nepal. A total of 23 water samples, including 6 from Pokhara City (central city), 7 from Patneri Village (on the plain side), and 10 from Dhital Village (on the hill side) were investigated using a commercially available coliform bacilli kit, MPN Colilert (IDEXX Laboratories, USA). In total, 87% (20/23) water samples were positive for coliform bacilli (Escherichia coli) and 74% (17/23) for fecal coliform bacilli. All samples collected in Pokhara City and Dhital Village were positive for coliform bacilli while only 57% (4/7) of samples collected from Patneri Village were for coliform bacilli. With regard to fecal coliform bacilli, rates of positivity in these three locations were 100% (6/6), 80% (8/10), and 43% (3/7), respectively. Interestingly, water samples collected from schools at Dhital Village and Patneri Village showed both coliform bacilli and fecal coliform bacilli. These findings, particularly of fecal coliform contamination of water at schools, suggest the possibility of outbreaks of waterborne disease among children. We recommend effective sterilization of the water supply and improvement of knowledge of water safety in school children as well as people in general.
神戸常盤大学の論文
2011-04-01

ネパール Kaski 地区における生活水の病原性微生物汚染実態調査

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