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The Effectiveness of Dengue Vector Control: A Meta-Review
Gary K K Low1,2, Sam Froze Jiee3, Siong Hee Lim3
1Sydney Medical School, Faculty of Medicine and Health, University of Sydney, Sydney, New South Wales, Australia.
Tropical Medicine & International Health : TM & IH
|August 21, 2025
Summary
Evidence on dengue vector control interventions is limited, with community mobilization and insecticide-treated materials showing weak effectiveness. Novel methods are urgently needed to combat dengue transmission effectively.
Area of Science:
- Public Health
- Tropical Medicine
- Vector-Borne Diseases
Background:
- Dengue vector control is crucial for reducing disease burden.
- Systematic reviews are essential for evaluating intervention efficacy.
- Understanding effective strategies is key to public health initiatives.
Purpose of the Study:
- To synthesize evidence from systematic reviews on dengue vector control interventions.
- To assess the efficacy of various dengue vector control methods.
- To identify gaps in current research and guide future interventions.
Main Methods:
- Systematic review of cluster randomized controlled trials (cRCTs) and randomized controlled trials (RCTs).
- Inclusion of all dengue vector control interventions, comparators, and outcomes.
- Comprehensive search of electronic databases and reference lists, with independent data extraction and quality assessment.
Main Results:
- Fifteen systematic reviews were identified; narrative synthesis focused on 3 reviews of cRCTs/RCTs.
- Community mobilization and insecticide-treated materials demonstrated weak effectiveness.
- Potential limitations include non-overlapping trial populations in included reviews.
Conclusions:
- Insufficient evidence exists to recommend a definitive dengue vector control management method.
- Novel dengue vector control strategies require urgent investigation and trials.
- Current local government vector control programs remain important for managing mosquito populations and dengue transmission.
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