2015
DOI: 10.1371/journal.pntd.0003614
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Ecological and Sociodemographic Determinants of House Infestation by Triatoma infestans in Indigenous Communities of the Argentine Chaco

Abstract: BackgroundThe Gran Chaco ecoregion, a hotspot for Chagas and other neglected tropical diseases, is home to >20 indigenous peoples. Our objective was to identify the main ecological and sociodemographic determinants of house infestation and abundance of Triatoma infestans in traditional Qom populations including a Creole minority in Pampa del Indio, northeastern Argentina.MethodsA cross-sectional survey determined house infestation by timed-manual searches with a dislodging aerosol in 386 inhabited houses and a… Show more

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Cited by 44 publications
(106 citation statements)
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“…This result coincides with the lack of association between ethnic background and the prevalence of house infestation with T. infestans in Area I, which was at least partially related to the considerable variability in housing and socio-economic conditions within each ethnic group [26]. Qom households from a nearby rural section of Pampa del Indio (Area III) exhibited a lower, less variable goat-equivalent index [38] than that observed in Qom households from Area I. These heterogeneities within a single ethnic group and district point to more a complex system defying a simple stratification by ethnicity.…”
Section: Discussionsupporting
confidence: 60%
“…This result coincides with the lack of association between ethnic background and the prevalence of house infestation with T. infestans in Area I, which was at least partially related to the considerable variability in housing and socio-economic conditions within each ethnic group [26]. Qom households from a nearby rural section of Pampa del Indio (Area III) exhibited a lower, less variable goat-equivalent index [38] than that observed in Qom households from Area I. These heterogeneities within a single ethnic group and district point to more a complex system defying a simple stratification by ethnicity.…”
Section: Discussionsupporting
confidence: 60%
“…Las condiciones de las viviendas rurales favorecen el establecimiento de poblaciones de vectores, y están directamente asociadas al nivel socioeconómico y a las prácticas culturales. La pobreza es el principal determinante de riesgo para esta enfermedad 4 ; la infestación doméstica con triatominos decrece con el aumento del nivel educativo del jefe de hogar 5 . Pese a los esfuerzos por controlarla, la ECh es una de las enfermedades tropicales más difundidas en la Región del Chaco 4 .…”
Section: Introductionunclassified
“…El Norte de la Provincia de Santa Fe se encuentra dentro del Chaco Argentino. Estudios sobre la ECh realizados en el Chaco Argentino, han mostrado valores dispares en cuanto a la seroprevalencia por ubicación geográfica en distintos grupos etarios [5][6][7] . El Programa Provincial de Control de la ECh de la Provincia de Santa Fe logró, entre 2010 y 2012, evaluar serológicamente a aproximadamente el 70% de los niños que residían en el Chaco Santafesino 8 , brindando tratamiento etiológico específico a los seropositivos.…”
Section: Introductionunclassified
“…This study is part of an ongoing research and disease control program implemented since 2007 in the Municipality of Pampa del Indio, Chaco, Argentina, which aims to achieve the sustainable elimination of T. infestans from rural dwellings and the interruption of vector-borne transmission. All rural villages within this area have been under sustained vector surveillance and control, and house infestation was kept under 3% district-wide (Gaspe et al, 2015;Gurevitz et al, 2013;Provecho et al, 2017). Several surveys genotyped T. cruzi parasites from Pampa del Indio sylvatic and domestic hosts, and vectors.…”
Section: Introductionmentioning
confidence: 99%