Amebiasis from the “Miraculous Water of Tlacote”

Abstract
Infection with Entamoeba histolytica in the United States usually occurs only in recent immigrants, travelers outside the United States, homosexuals, and institutionalized patients. Transmission through fecal contamination of hands or food with environmentally resistant cysts is probably the most common route. Cysts can survive for up to a month in water, however, as demonstrated by the 1409 infections and 98 deaths caused by the infamous epidemic of amebiasis during the 1933 World's Fair in Chicago.1 We report an unusual case of waterborne amebiasis, which stresses the importance of obtaining a careful epidemiologic history from all patients with invasive amebiasis.

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