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Memórias do Instituto Oswaldo Cruz
Fundação Oswaldo Cruz, Fiocruz
ISSN: 1678-8060
EISSN: 1678-8060
Vol. 98, No. 7, 2003, pp. 885-887
Bioline Code: oc03175
Full paper language: Portuguese
Document type: Research Article
Document available free of charge

Memórias do Instituto Oswaldo Cruz, Vol. 98, No. 7, 2003, pp. 885-887

 en Foco de Doença de Chagas em Arcádia, Estado do Rio de Janeiro, Brasil
Elias Seixas Lorosa; Márcio Valério Monteiro Pinto Valente; Vanda Cunha; Herman Lent & José Jurberg

Abstract

Source of Chagas Disease in Arcádia, State of Rio de Janeiro, Brazil - Following the report of triatomine nymphs in a house in Arcadia, Miguel Pereira, state of Rio de Janeiro, Brazil, the infested dwelling was checked. Several eggs and 46 specimens of Triatoma vitticeps check for this species in other resources (Stal, 1859) were collected. Among them, adults and nymphal instars accounted for 43.5% and 56.5%, respectively. Analysis of blood meals showed the ecletism of this species; 24 (52.2%) were single feeds, 18 insects (39.1%) fed on two hosts and 4 (8.7%) on three hosts. Trypanosoma cruzi check for this species in other resources infection rate of examined specimens was 13%. Finally one of the residents of the house was positive for anti-T. cruzi antibodies using indirect immunofluorescence.

Keywords
Triatoma vitticeps - Hemiptera - Reduviidae - precipitin test - Chagas disease - Rio de Janeiro - Brazil

 
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