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Exp Parasitol. 2005 Jul;110(3):327-30. Epub 2005 Apr 20.

Entamoeba histolytica and Entamoeba dispar: prevalence infection in a rural Mexican community.

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Departamento de Medicina Experimental, Facultad de Medicina, UNAM, Mexico Distrito Federal, Mexico.


The frequency of Entamoeba histolytica and Entamoeba dispar infection was analyzed in a rural community in the state of Morelos, Mexico, through PCR technique by using specie specific primer. The E. histolytica specie was detected in 33 of 290 analyzed stool samples (11.4%), E. dispar specie was observed in 21 samples (7.2%) and both species of Entamoeba were detected in seven samples (2.4%). So a higher E. histolytica than E. dispar frequency infection was detected (13.8 versus 9.6%). Even though in our design we did not considered the follow-up of included individuals, the absence of invasive amebiasis cases in the studied population during our stay in town was unexpected.

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