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entomological factors affecting the low endemicity of chagas disease in nazca, southwestern peru.chagas disease is prevalent in peru. the province of nazca, in the southwestern region of the country, shows a high intradomiciliary infestation rate of triatoma infestans bugs. although the vector is present, the number of chagas disease cases appears to be much lower than those reported in the neighboring region of arequipa. we examined 624 t. infestans from nazca to determine the current trypanosoma cruzi infection rates, and found that no bugs were infected with this parasite. these results ...201019874184
human infection with trypanosoma cruzi in nasca, peru: a seroepidemiological survey.we estimated the proportion of seropositivity for infection with trypanosoma cruzi (chagas' disease) in a sample of the rural population of the province of nasca, department of ica, southwestern peru. although triatoma infestans, the only vector species identified in the department of ica, is often found in domestic environments, data of the extent of human infection with t. cruzi are scant. this study comprised 446 houses, known to be infested with triatomines, distributed in 19 rural localitie ...19979394524
[knowledge, attitudes, and practices concerning chagas disease in schoolchildren from an endemic area in peru].this study analyzes knowledge, attitudes, and practices concerning chagas disease among 241 primary schoolchildren in "la tinguiña", ica, peru (december 2000 - january 2001). less than 1% of those interviewed knew that triatomines transmit chagas disease, while nearly a quarter recognized the illness based on the appearance of "lumps" on the skin; 35.27% knew that vector infestation is controlled using insecticides; 26.56% recognized the adult stage of the vector, and 21.16% the nymphal instar; ...201312700793
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