Abstract
The case of amebiasis presented elsewhere in this issue of the Journal serves as a reminder that infection with Entamoeba histolytica occurs not only in persons traveling or living in the tropics but also in those living in temperate climates. The prevalence rate in the United States has been estimated at 2 to 4 per cent in the Northern and 4 to 6 per cent in the Southern States.1 How this patient contracted his infection is not clear. Epidemiologic studies in the United States suggest that spread of the infection is more likely to occur through breakdown of sanitary facilities . . .

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