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Prevalence of enteroparasites in school children in a government health center in Guyaquil, Ecuador

1 August 2002


Objective: To discover what parasites are most prevalent ill an urban slum treated at a government run health center.

Methods: 122 children from two schools were given a questionnaire to complete with their family's assistance regarding socioeconomic conditions and symptomatology. The children were then examined for height, weight and had their stool and blood examined at a local laboratory.

Results: Seven out of the one hundred and twenty-two children tested negative for parasitosis after three fecal examinations. One hundred and fifteen children tested positive for the following parasites: Endamoeba histolytica (26.2%), Giardia lamblia (21.3%), Enterobius vermicularis (15.6%), Ascaris lumbricoides (14.8%), Embadomonas intestinalis (12.3%), Chilomastix mesnili (2.5%), and Trichuris trichiura (1.6%). Of those 115 children, 6 had more than one parasitic infestation reported, 4.1 % had Endamoeba coli, and 0.8% had Giardia lamblia.


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