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Memórias do Instituto Oswaldo Cruz
Fundação Oswaldo Cruz, Fiocruz
ISSN: 1678-8060
EISSN: 1678-8060
Vol. 99, No. 3, 2004, pp. 263-270
Bioline Code: oc04047
Full paper language: English
Document type: Research Article
Document available free of charge

Memórias do Instituto Oswaldo Cruz, Vol. 99, No. 3, 2004, pp. 263-270

 en Epidemiology of Chagas Disease in Jaguaruana, Ceará, Brazil. I. Presence of Triatomines and Index of Trypanosoma cruzi check for this species in other resources Infection in Four Localities of a Rural Area
Otília Sarquis; José Borges-Pereira; José Roberto Mac Cord; Taís Ferreira Gomes; Pedro Hernán Cabello & Marli Maria Lima

Abstract

In order to assay the triatomine infestation and domiciliation in the rural area of Jaguaruana district, state of Ceará, Brazil, we studied, from November 2000 to April 2002, 4 localities comprising 158 domiciles as a whole, with an average of 4 inhabitants/house, who are dwelling in there for more than 7 years. Most houses have tile-covered roofs and the walls built with plaster-covered bricks (57%), followed by bricks without plaster (33%), and mud walls (7.5%). A total of 3082 triatomines were captured from different locations, according to the following capture plan: (a) intradomiciles: 238 Triatoma brasiliensis check for this species in other resources , 6 T. pseudomaculata, 9 Rhodnius nasutus check for this species in other resources , and 2 Panstrongylus lutzi check for this species in other resources ; (b) peridomiciles (annexes): 2069 T. brasiliensis, 223 T. pseudomaculata, 121 R. nasutus, and 1 P. lutzi; (c) wild, in carnauba palms ( Copernicia prunifera check for this species in other resources ): 413 R. nasutus. From the captured triatomines, 1773 (57.5%) were examined. The natural index of Trypanosoma cruzi check for this species in other resources infection ranged from 10.8% to 30.2% (average of 17%), depending on the species and the location from where the triatomines were captured.

Keywords
epidemiology - infestation index - natural infection - Triatoma brasiliensis - Triatoma pseudomaculata - Rhodnius nasutus - Panstrongylus lutzi - Ceará - Brazil

 
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