摘要:Data obtained in a controlled field study over 5 years in 4 communities showed that the provision of sanitary facilities for human waste disposal can reduce the incidence of cholera by as much as 68%, while the provision of a safe water supply can decrease it by 73%. Where both toilets and water supplies are provided, the incidence can be reduced by as much as 76%. There was evidence that cholera infection gaining access to communities with these facilities tends to spread less and produce fewer secondary cases than in a community where such facilities are not provided. Full text Full text is available as a scanned copy of the original print version. Get a printable copy (PDF file) of the complete article (945K), or click on a page image below to browse page by page. Links to PubMed are also available for Selected References . 19 20 21 22 23 24 25 26