| [epidemiology of chagas disease in the municipalities of castelo do piaui and pedro ii, state of piaui, brazil]. | triatoma brasiliensis, triatoma pseudomaculata and rhodnius nasutus were captured in artificial and natural echotopes in ten localities situated in rural areas of castelo do piauí and pedro ii, state of piauí, brazil. nymphal instars predominated and birds were the main blood meal source for triatomines. t. brasiliensis was the only triatomine captured inside the houses searched, harbouring flagellates morphologically and biologically indistinguishable from trypanosoma (schizotrypanum) cruzi. sp ... | 1989 | 2517851 |
| [epidemiology of chagas disease in four rural localities in jaguaruana, state of ceará: seroprevalence of infection, parasitemia and clinical characteristics]. | a cross-sectional study on chagas disease that examined the populations of four localities (n masculine = 541 inhabitants) in the municipality of jaguaruana, state of ceará, showed seroprevalence of chagas infection of 3.1%, as assessed by indirect immunofluorescence, indirect hemagglutination and elisa tests. the rate was higher among adults over 50 years old, without any difference in relation to sex. positive parasitemia was found in 11.8% (2/17) of the seropositive individuals by means of in ... | 2008 | 18853005 |