Seroprevalence and risk factors of toxocariasis in preschool children in Aragua state, Venezuela.

Background: Toxocariasis is a widespread zoonotic disease caused by the nematode Toxocara canis. In Venezuela, the magnitude of the disease is unknown and seroepidemiological studies have not been previously carried out in Aragua state.

Methods: A cross-sectional field study was conducted in eight preschools in three municipalities from Aragua state in Venezuela.