Evidence on impact of community-based environmental management on dengue transmission in Santiago de Cuba

ME Toledo, A Rodriguez, L Valdés, R Carrión, G Cabrera, D Banderas, E Ceballos, M Domeqc, C Peña, A Baly, V Vanlerberghe, P Van der Stuyft

    Research output: Contribution to journalA1: Web of Science-articlepeer-review


    During the dengue outbreak that struck Santiago de Cuba in 2006-2007, we conducted an observational study in the Mariana Grajales district, the former setting of a community trial for Aedes aegypti control. In the trial, community working groups (CWG) had been created in 29 randomly selected intervention house blocks, and routine vector control activities alone were conducted in the remaining 30 control blocks. The CWG elaborated and implemented with the population plans and activities to reduce Aedes infestation. They were still functional in 2006 and continued organizing community-based environmental management activities. The attack rate of dengue fever during the outbreak was 8.5 per 1000 inhabitants in the former intervention blocks and 38.1 per 1000 inhabitants in the control blocks, which corresponds to a relative risk of 4.5 (95% CI 3.1-6.5). There was a significantly higher proportion of unaffected intervention blocks, and affected blocks had on average substantially less cases than affected control blocks. This study indicates that community-based environmental management inserted in the routine A. aegypti control programme can not only sustainably curb vector infestation but also have an impact on dengue transmission.
    Original languageEnglish
    JournalTropical Medicine and International Health
    Issue number6
    Pages (from-to)744-747
    Number of pages4
    Publication statusPublished - 2011


    • B780-tropical-medicine
    • Viral diseases
    • Dengue
    • Dengue hemorrhagic fever
    • Vectors
    • Mosquitoes
    • Aedes aegypti
    • Outbreaks
    • Vector control
    • Routine
    • Interventions
    • Community-based
    • Environmental measures
    • Risk
    • Transmission reduction
    • Community mobilization
    • Cuba
    • America-Latin
    • Caribbean


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