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Intestinal parasitosis are a public health problem worldwide. There are several risk factors and a high association with some specific labor activities. Objective: The present study assessed the risk factors and prevalence of enteroparasitic diseases in shellfish pickers from one district of Maceio, Alagoas state, Brazil. Methods: Cross-sectional study of 41 female shellfish pickers including parasitological tests in fecal samples and a questionnaire with objective and subjective questions. Sand samples from their working environment were also analyzed. Results: At least one species of parasite was found in 19.51% of the fecal samples.  Pathogenic species of Giardia lamblia, Trichuris trichiura, Schistosoma mansoni, Ascaris lumbricoides, Enterobius vermicularis, from the Ancylostomatidae family, and non-pathogenic species of Entamoeba coli were found. Polyparasitism was diagnosed in 37.5% of the positive samples. A total of 57.14% of sand samples contained hookworm larvae. Regarding the risk factor, low educational level was statistically associated to the presence of parasites (p<0.05). Conclusion: Greater investment in basic education is needed to increase the knowledge about preventive measures against parasitic diseases and the promotion food-handling courses in order to change existing inadequate habits in the community. Basic sanitation is also essential in preventing environmental contamination.

Risk factors and prevalence of enteroparasitic diseases in Shellfish Pickers from a lake area in the Northeast of Brazil