Re-infestation of houses by Triatoma dimidiata after intra-domicile insecticide application in the Yucatán peninsula, Mexico
AUTOR(ES)
Dumonteil, Eric, Ruiz-Piña, Hugo, Rodriguez-Félix, Eugenia, Barrera-Pérez, Mario, Ramirez-Sierra, María Jesús, Rabinovich, Jorge E, Menu, Frédéric
FONTE
Memórias do Instituto Oswaldo Cruz
DATA DE PUBLICAÇÃO
2004-05
RESUMO
In most countries, Chagas disease transmission control remains based on domestic insecticide application. We thus evaluated the efficacy of intra-domicile cyfluthrin spraying for the control of Triatoma dimidiata, the only Chagas disease vector in the Yucatán peninsula, Mexico, and monitored potential re-infestation every 15 days for up to 9 months. We found that there was a re-infestation of houses by adult bugs starting 4 months after insecticide application, possibly from sylvatic/peridomicile areas. This points out the need to take into account the potential dispersal of sylvatic/peridomestic adult bugs into the domiciles as well as continuity action for an effective vector control.
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