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标题：Control of schistosomiasis in Guayama and Arroyo, Puerto Rico
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作者：William R. Jobin ; Frederick F. Ferguson ; Juan R. Palmer 等
期刊名称：Bulletin of the World Health Organization
印刷版ISSN：0042-9686
出版年度：1970
卷号：42
期号：1
页码：151-156
语种：English
出版社：World Health Organisation
摘要：In 1953, a programme to control schistosomiasis mansoni was started in Guayama and Arroyo, Puerto Rico, employing, first, chemical and, later, both biological and chemical methods to control Biomphalaria glabrata, the snail host of Schistosoma mansoni. Sodium pentachlorophenate was the molluscicide, and an ampullarid snail, Marisa cornuarietis, was used for biological control in ponds and reservoirs. In addition some chemotherapy was given to infected persons. The prevalence of intestinal schistosomiasis was measured annually, sampling about one-third of the 6-year-old population in Guayama and Arroyo and in Caguas, an untreated area. Costs of the programme and the results are discussed in relation to similar projects in other parts of Puerto Rico. In Guayama and Arroyo the prevalence of schistosomiasis reached zero in 6-year-olds by 1966 despite the persistence of the disease in a nearby untreated area. Although this decline appeared related to the control effort, it is noted that a large decline also occurred in the untreated area, suggesting the influence of other factors such as economic development or improvements in sanitation. 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 (812K), or click on a page image below to browse page by page. Links to PubMed are also available for Selected References . 151 152 153 154 155 156