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Memórias do Instituto Oswaldo Cruz
Fundação Oswaldo Cruz, Fiocruz
ISSN: 1678-8060
EISSN: 1678-8060
Vol. 92, No. 3, 1997, pp. 317-320
Bioline Code: oc97058
Full paper language: English
Document type: Research Article
Document available free of charge

Memórias do Instituto Oswaldo Cruz, Vol. 92, No. 3, 1997, pp. 317-320

 en Chagas disease in Ecuador: Evidence for disease transmission in an indigenous population in the Amazon region
Martha Chico H; Carlos Sandoval; Angel Guevara E; Manuel Calvopina H; Philip J Cooper; Steve G Reed & Ronald H Guderian

Abstract

Two well-defined synthetic peptides TcD and PEP2 were used in a
sero-epidemiological study for the detection of Trypanosoma cruzi
infections in an indigenous group in the Amazon region of Ecuador. Of
the 18 communities studied along the Rio Napo, province of Napo, 15 (83.3%)
were found to be positive for T. cruzi infection. Of the 1,011
individuals examined 61 (6.03%) resulted positive. A prevalence of
infection of 4.8% was found in children aged 1-5 years. The prevalence of
infection increased with age, with adults 50 years or older showing a
maximum prevalence of 18.8%. Autochthonous transmission of T. cruzi is
present among this isolated indigenous population.

Keywords
Ecuador - Chagas disease - Trypanosoma cruzi - Amerindian - Amazonia

 
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