Evaluation of Effectiveness of a Community-Based Intervention for Control of Dengue Virus Vector, Ouagadougou, Burkina Faso

We evaluated the effectiveness of a community-based intervention for dengue vector control in Ouagadougou, the capital city of Burkina Faso. Households in the intervention (n = 287) and control (n = 289) neighborhoods were randomly sampled and the outcomes collected before the intervention (October...

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Bibliographic Details
Published in:Emerging infectious diseases 2018-10, Vol.24 (10), p.1859-1867
Main Authors: Ouédraogo, Samiratou, Benmarhnia, Tarik, Bonnet, Emmanuel, Somé, Paul-André, Barro, Ahmed S, Kafando, Yamba, Soma, Diloma Dieudonné, Dabiré, Roch K, Saré, Diane, Fournet, Florence, Ridde, Valéry
Format: Article
Language:English
Subjects:
Aedes aegypti
Analysis
Animals
arbovirus
Burkina Faso - epidemiology
Community Health Services
community-based
dengue
Dengue - prevention & control
Dengue - transmission
Dengue Virus
Disease Vectors
Epidemiologic Research Design
Evaluation of Effectiveness of a Community-Based Intervention for Control of Dengue Virus Vector, Ouagadougou, Burkina Faso
Genetic vectors
Geography
Households
Human health and pathology
Humans
Infectious diseases
Life Sciences
mosquito
Mosquito Control
Mosquito Vectors - virology
Outcome Assessment (Health Care)
Preventive Health Services
Santé publique et épidémiologie
vector-borne disease
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Summary:We evaluated the effectiveness of a community-based intervention for dengue vector control in Ouagadougou, the capital city of Burkina Faso. Households in the intervention (n = 287) and control (n = 289) neighborhoods were randomly sampled and the outcomes collected before the intervention (October 2015) and after the intervention (October 2016). The intervention reduced residents' exposure to dengue vector bites (vector saliva biomarker difference -0.08 [95% CI -0.11 to -0.04]). The pupae index declined in the intervention neighborhood (from 162.14 to 99.03) and increased in the control neighborhood (from 218.72 to 255.67). Residents in the intervention neighborhood were less likely to associate dengue with malaria (risk ratio 0.70 [95% CI 0.58-0.84]) and had increased knowledge about dengue symptoms (risk ratio 1.44 [95% CI 1.22-1.69]). Our study showed that well-planned, evidence/community-based interventions that control exposure to dengue vectors are feasible and effective in urban settings in Africa that have limited resources.
ISSN:1080-6040
1080-6059
DOI:10.3201/eid2410.180069