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Memórias do Instituto Oswaldo Cruz

versão impressa ISSN 0074-0276versão On-line ISSN 1678-8060

Resumo

DEGENER, Carolin Marlen et al. Mass trapping with MosquiTRAPs does not reduce Aedes aegypti abundance. Mem. Inst. Oswaldo Cruz [online]. 2015, vol.110, n.4, pp.517-527.  Epub 28-Abr-2015. ISSN 0074-0276.  http://dx.doi.org/10.1590/0074-02760140374.

The objective of this study was to evaluate the effectiveness of Aedes aegyptimass trapping using the sticky trap MosquiTRAP (MQT) by performing a cluster randomised controlled trial in Manaus, state of Amazonas, Brazil. After an initial questionnaire and baseline monitoring of adultAe. aegyptiabundance with BG-Sentinel (BGS) traps in six clusters, three clusters were randomly assigned to the intervention arm where each participating household received three MQTs for mass trapping during 17 months. The remaining three clusters (control arm) did not receive traps. The effect of mass trapping on adult Ae. aegyptiabundance was monitored fortnightly with BGS traps. During the last two months of the study, a serological survey was conducted. After the study, a second questionnaire was applied in the intervention arm. Entomological monitoring indicated that MQT mass trapping did not reduce adult Ae. aegyptiabundance. The serological survey indicated that recent dengue infections were equally frequent in the intervention and the control arm. Most participants responded positively to questions concerning user satisfaction. According to the results, there is no evidence that mass trapping with MQTs can be used as a part of dengue control programs. The use of this sticky trap is only recommendable for dengue vector monitoring.

Palavras-chave : MosquiTRAP; mosquito traps; dengue control; mass trapping; Aedes aegypti.

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