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Innovative Vector Management Strategies in Puerto Rico Surveillance & Control Symposium I

Innovative Vector Management Strategies in Puerto Rico Surveillance & Control Symposium I

43 - Aedes aegypti Resistance to Adulticides: Data-Driven Approaches and Collaborative Study Efforts in Puerto Rico

Tuesday, March 4, 2025
2:00 PM – 2:15 PM AST
Location: 209
Abstract: Historical data has shown that Puerto Rico exhibits a high density of Aedes aegypti mosquitoes and dengue case prevalence. This phenomenon contributes to the spread of diseases such as dengue, Zika and chikungunya within the region. A crucial component of effective integrated mosquito management involves the strategic use of insecticides for mosquito control. Since its foundation, the Puerto Rico Vector Control Unit has regularly assessed insecticide resistance using the CDC Bottle Bioassay and Field Cage Assays. These evaluations are conducted with the primary objective of enhancing mosquito suppression across various municipalities within the country. Bottle bioassays are performed annually, and a comparison of our research indicates a substantial resistance among mosquito populations of a representative area of Puerto Rico to commonly employed active ingredients. Considering these findings, our unit has chosen to implement larvicide as a targeted response to this issue. Furthermore, these findings have prompted various collaborations aimed at evaluating novel and innovative mosquito control products by cage assays with positive results, thereby expanding our strategic options for future responses.