[Prevalence of infection by Toxocara in schoolchildren in the community of El Moján, Zulia state, Venezuela].

The systemic Toxocariasis or migrant larva is a helminto-zoonosis caused by the migration of nematode larvae through human tissues mainly, of the canine helminth Toxocara canis, which can infect humans, especially children. The aim of this study was to determine the prevalence of anti-T. canis antibodies in an infantile population.

[Seroepidemiology of toxoplasmosis in a Yucpa Amerindian community of Sierra de Perijá, Zulia State, Venezuela].

Background: There is a high rate of Toxoplasma gondii infection worldwide. In Latin America the rate is as high as 65% in some populations.

Aim: To measure the prevalence of antibodies against Toxoplasma gondii in a native Yucpa community in Venezuela.

[Prevalence of giardiasis in day care centers in San Francisco municipality, state of Zulia, Venezuela].

The number of children Day Care Centers has increased progressively in underdeveloped countries. These Institutions offer conditions that facilitate the transmission of enteric agents. The aim of the present study was to determine the prevalence of Giardiasis in Day Care Centers from San Francisco municipality, Zulia state, Venezuela.