摘要：Laboratory confirmed clinical amoebiasis was diagnosed among more than 50 persons by the University of Arkansas Medical Center from 1965 to 1961. The presence of this number of patients prompted an investigation into the prevalence of Entamoeba histolytica in four selected areas in and around Little Rock, Arkansas. The results of the study, using a sample survey technique, showed that it is possible to have a seemingly large number of clinically significant cases of amoebiasis in a population without a high prevalence of the parasite. Evidence was also obtained of the beneficial effects of improvements in sanitary facilities, as reflected in the lower amoebic prevalence rate in a 0-4-year age-group from one of the four areas surveyed in which a piped, indoor city-water supply and sewage facilities had been installed six years previously. 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 (1.3M), or click on a page image below to browse page by page. Links to PubMed are also available for Selected References . 813 814 815 816 817 818 819 820 821 822
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