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Revista chilena de pediatría

versión impresa ISSN 0370-4106

Resumen

JIMENEZ C, Endina; CAMPOS V, Guillermina; ULLOA P, Patricia  y  DE LA LUZ S, Rene. Seroprevalence of Trypanosoma cruzi infection in school children from Villahermosa city,Tabasco,Mexico. Rev. chil. pediatr. [online]. 1998, vol.69, n.4, pp.137-141. ISSN 0370-4106.  http://dx.doi.org/10.4067/S0370-41061998000400001.

Objective: to describe the frecuency of specific antibodies against Tr/panosomo cruzi in school children aged 18 years or less and to correlate positive serum findings to some epiderniologic information. Subjects and methods: sera of 268 urban school children 57.4% female from Villahermosa city, "Tabasco, Mexico, aged 4 to 1 8 years old, were investigated by ELISA for specific Ig class antibodies against T". cruzi. Knowledge and visual contact wirh the vector at home or at country side were also recorded. Results: the frequencies of positive serum findings were 3% as a whole, 2.6% among female and 3.5% in male subjects; 1 ,8% cmong children 4 to 8 years of age; 3.9 among those 8 to 1 2 years, 2.2% for ages 1 2 to 16 years and 4.8% from 16 to 18 years old. Informing subjects knew the vector in 1 3.4% cases, 1 .5% have seen it at home and 18.6% at nearby country side, even though almost 60% of the sample let unanswered all three questions on that matters. Conclusions: this level of seroprevalence is slightly over that reported in other experiences. Evidence of infection was recorded ot all ages included in this report ana was similar in male and female children. Even though many children didnt answered pertinent questions no less than one third of responders know the vector or hove seen it in their surroundings which might be considered an evidence of risk of T. Cruzi infection within urban populations.

Palabras clave : Trypanosoma cruzi; Chagas disease.

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