Abstract
The frequency of intestinal parasites in the population attended in the CentralLaboratory of the municipality of Chapadinha, state of Maranhão, was assessed.Stool tests were undertaken between January 2007 and February 2008, by meansof the spontaneous sedimentation technique (Hoffmann, Pons, and Janer). A total of3,933 stool samples were analyzed, where 1,302 samples were positive (33.1%) and2,632 were negative (66.9%) for intestinal parasites. Entamoeba coli, Entamoebahistolytica/dispar, Giardia intestinalis, Endolimax nana, Iodamoeba butschlii,Ascaris lumbricoides, Ancilostomídeos, Enterobius vermicularis, Strongyloidesstercoralis and Hymenolepis nana were the observed species. Entamoebahistolytica/dispar, Entamoeba coli, Giardia intestinalis and Ascaris lumbricoideswere the most frequent species.
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