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Title: Chagas Disease in a community in Southeast Brazil. I. A serologic follow-up study on a vector controlled area
Authors: Montoya, Roberto
Dias, João Carlos Pinto
Coura, José Rodrigues
Affilliation: Organización Panamericana de la Salud. Bogotá, DC, Colombia.
Fundação Oswaldo Cruz. Centro de Pesquisas René Rachou. Belo Horizonte, MG, Brasil.
Fundação Oswaldo Cruz. Instituto Oswaldo Cruz. Departamento de Medicina Tropical. Rio de Janeiro, RJ. Brasil.
Abstract: The prevalence of Trypanosoma cruzi infection was evaluated in Berilo, Minas Gerais (MG), Brazil, from January to July 1997. A serological survey using the indirect immunofluorescence test (IFT) in dried blood collected on filter-paper was performed in a sample of 2,261 individuals. The overall prevalence rate of T. cruzi infection was 18%, and reached 50% in individuals older than 30 years from rural areas. The percentage of seropositivity was 0.17% among individuals younger than 10 years old, suggesting that vectorial transmission is controlled in the area. A decrease in prevalence rates among people born after 1960 and 1970 was observed and this appears to be correlated with the beginning of control programs. A reduction in T. cruzi infection rates was observed when comparing our results with the rates estimated in a serologic study carried out in Berilo in 1983.
Keywords: T. cruzi infection
Chagas’ disease prevalence
Vectorial control
Chagas disease transmission
keywords: Trypanosoma cruzi
Controle vetorial
Transmissão da doença de Chagas
Prevalência da doença de Chagas
Issue Date: 2003
Publisher: Instituto de Medicina Tropical de São Paulo
Citation: MONTOYA, Roberto; DIAS, João Carlos Pinto; COURA, José Rodrigues. Chagas Disease in a community in Southeast Brazil. I. A serologic follow-up study on a vector controlled area. Revista da Sociedade Brasileira de Medicina Tropical, v. 45, n. 5, p. 269-274, Sept./Oct. 2003.
DOI: 10.1590/s0036-46652003000500006
ISSN: 1678-9946
Copyright: open access
Appears in Collections:MG - IRR - Artigos de Periódicos
IOC - Artigos de Periódicos

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