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Title: Emerging Chagas Disease : trophic network and cycle of transmission of Trypanosoma cruzi from palm trees in the Amazon
Authors: Teixeira, Antonio Raimundo Lima Cruz
Monteiro, Pedro Sadi
Rebêlo, José Manuel Macário
Argañaraz, Enrique Roberto
Vieira, Daniela
Pires, Liana Lauria
Nascimento, Rubens José do
Vexenat, Cássia A.
Silva, Antônio Rafael da
Ault, Steven Kenyon
Costa, Jackson Mauricio Lopes
Assunto:: Tripanossoma cruzi
Chagas, Doença de
Issue Date: Feb-2001
Publisher: Centers for Disease Control and Prevention, U.S. Government agency
Citation: TEIXEIRA, Antonio R. L. et al. Emerging Chagas Disease: trophic network and cycle of transmission of Trypanosoma cruzi from palm trees in the Amazon. Emerging Infectious Disease, Atlanta, v.7, n.1, p.100-112, jan./fev. 2001. Disponível em: <>. Acesso em: 10 maio 2013.
Abstract: ABSTRACT
A trophic network involving molds, invertebrates, and vertebrates, ancestrally adapted to the palm tree (Attalaea phalerata) microhabitat, maintains enzootic Trypanosoma cruzi infections in the Amazonian county Paço do Lumiar, state of Maranhão, Brazil. We assessed seropositivity for T. cruzi infections in the human population of the county, searched in palm trees for the triatomines that harbor these infections, and gathered demographic, environmental, and socioeconomic data. Rhodnius pictipes and R. neglectus in palm-tree frond clefts or in houses were infected with T. cruzi (57% and 41%, respectively). Human blood was found in 6.8% of R. pictipes in houses, and 9 of 10 wild Didelphis marsupialis had virulent T. cruzi infections. Increasing human population density, rain forest deforestation, and human predation of local fauna are risk factors for human T. cruzi infections.
Licença:: Emerging Infectious Disease - Emerging Infectious Diseases is published by the Centers for Disease Control and Prevention, a U.S. Government agency. Therefore, all materials published in Emerging Infectious Diseases are in the public domain and can be used without permission. Proper citation, however, is required. Fonte: Acesso em: 10 maio 2013.
Appears in Collections:ENF - Artigos publicados em periódicos
FAR - Artigos publicados em periódicos
FMD - Artigos publicados em periódicos e preprints

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