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Rev Soc Bras Med Trop. 1994 Oct-Dec;27(4):251-4.

[Human populations attacked by wild Triatominae in the Amazonas: a new form of transmission of Chagas disease?].

[Article in Portuguese]

Author information

  • 1Departamento de Medicina Tropical, Instituto Oswaldo Cruz (FIOCRUZ), Rio de Janeiro.


An "attack" of wild triatomines (Rhodnius brethesi) to piaçaca workers (Leopoldinia piaçaba) is confirmed in the locality of Acuquaia, at Padauari river, affluent of Rio Negro in the municipality of Barcelos, State of Amazonas, Brazil. A serological prevalence of 12.5% for T. cruzi antibodies in human population, in the city of Barcelos, has already been described in a previous paper. A strong association between the serological positivity and the population contact with wild triatomines, known in the area as "piaçava's lice", was verified.

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