Abstract
Objective: To analyze the prevalence of intestinal parasites in students ranging from 7 to 12 years old in Teresina, Piauí. Methodology: This study was based upon a qualitative and quantitative strategy of prospective descriptive character by means of a field research with realized on children with school ages ranging from 7 to 12 years. The present work was realized on one public school and one private shcool. The stool data collect took place soon after the Ethics Comittee approval. The children received the consent form, the stool containers and the socioeconomic, enviromental and cultural questionnaire that were meant to be delivered and filled out by their parents. The refrigerated samples were received within 24 hours, totalling 44 stool samples, each one of them properly identified. Results: From the 44 individuals who delivered the stool samples, 18 (41%) of the children were from the public school and 26 (59%) of them were from the private school, from both sexes and ages ranging from 7 to 12 years old. Conclusion: The high prevalence of intestinal parasitosis still present on Brazil might be partly explained by the high costs of the infrastructural and basic sanitation improvements.