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Systematic review of indoor residual spray efficacy and effectiveness against Plasmodium falciparum in Africa

Author

Listed:
  • Ellie Sherrard-Smith

    (Imperial College London)

  • Jamie T. Griffin

    (Queen Mary University of London)

  • Peter Winskill

    (Imperial College London)

  • Vincent Corbel

    (University of Montpellier)

  • Cédric Pennetier

    (University of Montpellier
    Institut Pierre Richet)

  • Armel Djénontin

    (Université d’Abomey-Calavi)

  • Sarah Moore

    (Swiss Tropical and Public Health Institute
    University of Basel
    Ifakara Health Institute)

  • Jason H. Richardson

    (Innovative Vector Control Consortium)

  • Pie Müller

    (Swiss Tropical and Public Health Institute
    University of Basel)

  • Constant Edi

    (Centre Suisse de Recherches Scientifiques en Cote d’Ivoire)

  • Natacha Protopopoff

    (London School of Hygiene and Tropical Medicine)

  • Richard Oxborough

    (Abt Associates)

  • Fiacre Agossa

    (Centre de Recherche Entomologique de Cotonou (CREC))

  • Raphael N’Guessan

    (London School of Hygiene and Tropical Medicine)

  • Mark Rowland

    (London School of Hygiene and Tropical Medicine)

  • Thomas S. Churcher

    (Imperial College London)

Abstract

Indoor residual spraying (IRS) is an important part of malaria control. There is a growing list of insecticide classes; pyrethroids remain the principal insecticide used in bednets but recently, novel non-pyrethroid IRS products, with contrasting impacts, have been introduced. There is an urgent need to better assess product efficacy to help decision makers choose effective and relevant tools for mosquito control. Here we use experimental hut trial data to characterise the entomological efficacy of widely-used, novel IRS insecticides. We quantify their impact against pyrethroid-resistant mosquitoes and use a Plasmodium falciparum transmission model to predict the public health impact of different IRS insecticides. We report that long-lasting IRS formulations substantially reduce malaria, though their benefit over cheaper, shorter-lived formulations depends on local factors including bednet use, seasonality, endemicity and pyrethroid resistance status of local mosquito populations. We provide a framework to help decision makers evaluate IRS product effectiveness.

Suggested Citation

  • Ellie Sherrard-Smith & Jamie T. Griffin & Peter Winskill & Vincent Corbel & Cédric Pennetier & Armel Djénontin & Sarah Moore & Jason H. Richardson & Pie Müller & Constant Edi & Natacha Protopopoff & R, 2018. "Systematic review of indoor residual spray efficacy and effectiveness against Plasmodium falciparum in Africa," Nature Communications, Nature, vol. 9(1), pages 1-13, December.
    • Handle: RePEc:nat:natcom:v:9:y:2018:i:1:d:10.1038_s41467-018-07357-w
    DOI: 10.1038/s41467-018-07357-w
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    Cited by:

    1. Eric R. Lucas & Sanjay C. Nagi & Alexander Egyir-Yawson & John Essandoh & Samuel Dadzie & Joseph Chabi & Luc S. Djogbénou & Adandé A. Medjigbodo & Constant V. Edi & Guillaume K. Kétoh & Benjamin G. Ko, 2023. "Genome-wide association studies reveal novel loci associated with pyrethroid and organophosphate resistance in Anopheles gambiae and Anopheles coluzzii," Nature Communications, Nature, vol. 14(1), pages 1-11, December.
    2. Nathan Green & Fiacre Agossa & Boulais Yovogan & Richard Oxborough & Jovin Kitau & Pie Müller & Edi Constant & Mark Rowland & Emile F S Tchacaya & Koudou G Benjamin & Thomas S Churcher & Michael Betan, 2022. "An evidence synthesis approach for combining different data sources illustrated using entomological efficacy of insecticides for indoor residual spraying," PLOS ONE, Public Library of Science, vol. 17(3), pages 1-15, March.
    3. Li, Lin Lin & Ferreira, Cláudia Pio & Ainseba, Bedreddine, 2022. "Local exact controllability of an age structured problem modelling phenotypic plasticity in mosquito behaviour," Applied Mathematics and Computation, Elsevier, vol. 423(C).

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