| emerging chagas disease: trophic network and cycle of transmission of trypanosoma cruzi from palm trees in the amazon. | 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 ... | 2001 | 11266300 |
| on the possibility of autochthonous chagas disease in roraima, amazon region, brazil, 2000-2001. | chagas disease has been almost entirely eradicated from the arid zones in central and northeastern brazil where rare or no autochthonous cases have been reported. however, in the last 10 years the disease has increasingly been registered in the amazon region. aiming to investigate the possibility of the occurrence of autochthonous cycle of chagas disease in roraima, triatomine collections, vectorial susceptibility studies (this one to be shown elsewhere), parasitological and serological analyses ... | 2005 | 15729474 |