【摘要】 本课题采用了横断面和改水前后自身对照的调查方法,研究了农村改水与人群肠道传染病的关系。结果为,改水后的自来水大肠菌群合格率明显提高、供水区人群肠道传染病发病率明显降低,且差异均极显著。说明农村改水具有提高饮用水质、降低人群肠道传染病发病率的良好社会效益。更多还原

【Abstract】 The relation between improved water supply and entro-infectious diseases was studied with cross-section and self-control study methods’the results showed an significantly decreased mobidity of entro infectious diseases in areas with improved water supply compared with with those with scaltering water supply,so did the coliform counts in waters,Which showed that improved water supply if of great significance for decreasing entro-infectious diseases morbidity.更多还原