Data from: Deltamethrin resistance in Aedes aegypti results in treatment failure in Merida, Mexico
Creators
- Vazquez-Prokopec, Gonzalo M.1
- Medina-Barreiro, Anuar2
- Che-Mendoza, Azael
- Dzul-Manzanilla, Felipe
- Correa-Morales, Fabian
- Guillermo-May, Guillermo2
- Bibiano-Marin, Wilbert2
- Uc-Puc, Valentin2
- Geded-Moreno, Eduardo2
- Vadillo-Sanches, Jose
- Palacio-Vargas, Jorge
- Ritchie, Scott A.3
- Lenhart, Audrey4
- Manrique-Saide, Pablo2
- Vadillo-Sánchez, José2
- 1. Emory University
- 2. Autonomous University of Yucatán
- 3. James Cook University
- 4. Centers for Disease Control and Prevention
Description
The operational impact of deltamethrin resistance on the efficacy of indoor insecticide applications to control Aedes aegypti was evaluated in Merida, Mexico. A randomized controlled trial quantified the efficacy of indoor residual spraying (IRS) against adult Ae. aegypti in houses treated with either deltamethrin (to which local Ae. aegypti expressed a high degree of resistance) or bendiocarb (to which local Ae. aegypti were fully susceptible) as compared to untreated control houses. All adult Ae. aegypti infestation indices during 3 months post-spraying were significantly lower in houses treated with bendiocarb compared to untreated houses (odds ratio <0.75; incidence rate ratio < 0.65) whereas no statistically significant difference was detected between the untreated and the deltamethrin-treated houses. On average, bendiocarb spraying reduced Ae. aegypti abundance by 60% during a 3-month period. Results demonstrate that vector control efficacy can be significantly compromised when the insecticide resistance status of Ae. aegypti populations is not taken into consideration.
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Related works
- Is cited by
- 10.1371/journal.pntd.0005656 (DOI)