Frequência de parasitos intestinais no município de Chapadinha, Maranhão, Brasil

Abstract

The frequency of intestinal parasites in the population attended in the Central Laboratory of the municipality of Chapadinha, state of Maranhão, was assessed. Stool tests were undertaken between January 2007 and February 2008, by means of the spontaneous sedimentation technique (Hoffmann, Pons, and Janer). A total of 3,933 stool samples were analyzed, where 1,302 samples were positive (33.1%) and 2,632 were negative (66.9%) for intestinal parasites. Entamoeba coli, Entamoeba histolytica/dispar, Giardia intestinalis, Endolimax nana, Iodamoeba butschlii, Ascaris lumbricoides, Ancilostomídeos, Enterobius vermicularis, Strongyloidesstercoralis and Hymenolepisnana were the observed species. Entamoebahistolytica/dispar, Entamoeba coli, Giardia intestinalis and Ascaris lumbricoides were the most frequent species.