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Review
. 2017 Aug 31;11(8):e0005837.
doi: 10.1371/journal.pntd.0005837. eCollection 2017 Aug.

Community effectiveness of indoor spraying as a dengue vector control method: A systematic review

Moody Samuel  1 , Dorit Maoz  2 , Pablo Manrique  3 , Tara Ward  4 , Silvia Runge-Ranzinger  5 , Joao Toledo  6 , Ross Boyce  7 , Olaf Horstick  1
Affiliations
Review

Community effectiveness of indoor spraying as a dengue vector control method: A systematic review

Moody Samuel et al. PLoS Negl Trop Dis. .

Abstract

Background: The prevention and control of dengue rely mainly on vector control methods, including indoor residual spraying (IRS) and indoor space spraying (ISS). This study aimed to systematically review the available evidence on community effectiveness of indoor spraying.

Methods: A systematic review was conducted using seven databases (PubMed, EMBASE, LILACS, Web of Science, WHOLIS, Cochrane, and Google Scholar) and a manual search of the reference lists of the identified studies. Data from included studies were extracted, analysed and reported.

Results: The review generated seven studies only, three IRS and four ISS (two/three controlled studies respectively). Two IRS studies measuring human transmission showed a decline. One IRS and all four ISS studies measuring adult mosquitoes showed a very good effect, up to 100%, but not sustained. Two IRS studies and one ISS measuring immature mosquitoes, showed mixed results.

Conclusions: It is evident that IRS and also ISS are effective adulticidal interventions against Aedes mosquitoes. However, evidence to suggest effectiveness of IRS as a larvicidal intervention and to reduce human dengue cases is limited-and even more so for ISS. Overall, there is a paucity of studies available on these two interventions that may be promising for dengue vector control, particularly for IRS with its residual effect.

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Conflict of interest statement

The authors have declared that no competing interests exist.

Figures

Fig 1
Fig 1. Flowchart of selection process.
See this image and copyright information in PMC

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Grants and funding

This work was supported by the Deutsche Forschungsgemeinschaft and Ruprecht-Karls-Universität Heidelberg within the funding programme Open Access Publishing. The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.