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Ecohealth interventions limit triatomine reinfestation following insecticide spraying in La Brea, Guatemala
Lucero, David E. Morrissey, Leslie A. Rizzo, Donna M. Rodas, Antonieta Garnica, Roberto Stevens, Lori Bustamante, Dulce M. Monroy, Maria Carlota
Lucero, David E.
Morrissey, Leslie A.
Rizzo, Donna M.
Rodas, Antonieta
Garnica, Roberto
Stevens, Lori
Bustamante, Dulce M.
Monroy, Maria Carlota
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© American Society of Tropical Medicine and Hygiene
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10.4269/ajtmh.12-0448
Abstract
In this study, we evaluate the effect of participatory Ecohealth interventions on domestic reinfestation of the Chagas disease vector Triatoma dimidiata after village-wide suppression of the vector population using a residual insecticide. The study was conducted in the rural community of La Brea, Guatemala between 2002 and 2009 where vector infestation was analyzed within a spatial data framework based on entomological and socio-economic surveys of homesteads within the village. Participatory interventions focused on community awareness and low-cost home improvements using local materials to limit areas of refuge and alternative blood meals for the vector within the home, and potential shelter for the vector outside the home. As a result, domestic infestation was maintained at ≤ 3% and peridomestic infestation at ≤ 2% for 5 years beyond the last insecticide spraying, in sharp contrast to the rapid reinfestation experienced in earlier insecticide only interventions. Copyright © 2013 by The American Society of Tropical Medicine and Hygiene.
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2013-04-01
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Lucero DE, Morrissey LA, Rizzo DM, Rodas A, Garnica R, Stevens L, Bustamante DM, Monroy MC. Ecohealth interventions limit triatomine reinfestation following insecticide spraying in La Brea, Guatemala. The American journal of tropical medicine and hygiene. 2013 Apr 3;88(4):630-7.