Entamoeba histolytica has a worldwide distribution, with a higher incidence of amebiasis in developing countries. Risk groups in industrialized countries include homosexual males, travelers and recent immigrants (although disease may develop months to years after exposure), and institutionalized populations.The majority of morbidity and mortality occurs in Asia, Central and South America, and Africa.
(Centers for Disease Control Parasites and Health website; Ralston and Petri 2011 and references therein)
- Ralston, K. S. and W.A. Petri. 2011. Tissue destruction and invasion by Entamoeba histolytica. Trends in Parasitology. 27(6): 253-262.
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