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Maps and metrics of insecticide-treated net access, use, and nets-per-capita in Africa from 2000-2020

Author

Listed:
  • Amelia Bertozzi-Villa

    (Malaria Atlas Project, Telethon Kids Institute, Perth Children’s Hospital
    Institute for Disease Modeling
    Big Data Institute, Li Ka Shing Centre for Health Information and Discovery, University of Oxford)

  • Caitlin A. Bever

    (Institute for Disease Modeling)

  • Hannah Koenker

    (Tropical Health)

  • Daniel J. Weiss

    (Malaria Atlas Project, Telethon Kids Institute, Perth Children’s Hospital
    Curtin University)

  • Camilo Vargas-Ruiz

    (Malaria Atlas Project, Telethon Kids Institute, Perth Children’s Hospital)

  • Anita K. Nandi

    (Big Data Institute, Li Ka Shing Centre for Health Information and Discovery, University of Oxford)

  • Harry S. Gibson

    (Big Data Institute, Li Ka Shing Centre for Health Information and Discovery, University of Oxford)

  • Joseph Harris

    (Malaria Atlas Project, Telethon Kids Institute, Perth Children’s Hospital)

  • Katherine E. Battle

    (Malaria Atlas Project, Telethon Kids Institute, Perth Children’s Hospital
    Institute for Disease Modeling
    Big Data Institute, Li Ka Shing Centre for Health Information and Discovery, University of Oxford)

  • Susan F. Rumisha

    (Malaria Atlas Project, Telethon Kids Institute, Perth Children’s Hospital
    National Institute for Medical Research)

  • Suzanne Keddie

    (Malaria Atlas Project, Telethon Kids Institute, Perth Children’s Hospital)

  • Punam Amratia

    (Malaria Atlas Project, Telethon Kids Institute, Perth Children’s Hospital)

  • Rohan Arambepola

    (Big Data Institute, Li Ka Shing Centre for Health Information and Discovery, University of Oxford)

  • Ewan Cameron

    (Malaria Atlas Project, Telethon Kids Institute, Perth Children’s Hospital
    Curtin University)

  • Elisabeth G. Chestnutt

    (Big Data Institute, Li Ka Shing Centre for Health Information and Discovery, University of Oxford)

  • Emma L. Collins

    (Big Data Institute, Li Ka Shing Centre for Health Information and Discovery, University of Oxford)

  • Justin Millar

    (Big Data Institute, Li Ka Shing Centre for Health Information and Discovery, University of Oxford)

  • Swapnil Mishra

    (Imperial College London)

  • Jennifer Rozier

    (Malaria Atlas Project, Telethon Kids Institute, Perth Children’s Hospital)

  • Tasmin Symons

    (Malaria Atlas Project, Telethon Kids Institute, Perth Children’s Hospital)

  • Katherine A. Twohig

    (Big Data Institute, Li Ka Shing Centre for Health Information and Discovery, University of Oxford)

  • T. Deirdre Hollingsworth

    (Big Data Institute, Li Ka Shing Centre for Health Information and Discovery, University of Oxford)

  • Peter W. Gething

    (Malaria Atlas Project, Telethon Kids Institute, Perth Children’s Hospital
    Curtin University)

  • Samir Bhatt

    (Imperial College London
    University of Copenhagen)

Abstract

Insecticide-treated nets (ITNs) are one of the most widespread and impactful malaria interventions in Africa, yet a spatially-resolved time series of ITN coverage has never been published. Using data from multiple sources, we generate high-resolution maps of ITN access, use, and nets-per-capita annually from 2000 to 2020 across the 40 highest-burden African countries. Our findings support several existing hypotheses: that use is high among those with access, that nets are discarded more quickly than official policy presumes, and that effectively distributing nets grows more difficult as coverage increases. The primary driving factors behind these findings are most likely strong cultural and social messaging around the importance of net use, low physical net durability, and a mixture of inherent commodity distribution challenges and less-than-optimal net allocation policies, respectively. These results can inform both policy decisions and downstream malaria analyses.

Suggested Citation

  • Amelia Bertozzi-Villa & Caitlin A. Bever & Hannah Koenker & Daniel J. Weiss & Camilo Vargas-Ruiz & Anita K. Nandi & Harry S. Gibson & Joseph Harris & Katherine E. Battle & Susan F. Rumisha & Suzanne K, 2021. "Maps and metrics of insecticide-treated net access, use, and nets-per-capita in Africa from 2000-2020," Nature Communications, Nature, vol. 12(1), pages 1-12, December.
    • Handle: RePEc:nat:natcom:v:12:y:2021:i:1:d:10.1038_s41467-021-23707-7
    DOI: 10.1038/s41467-021-23707-7
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    Cited by:

    1. Penelope A. Hancock & Ace North & Adrian W. Leach & Peter Winskill & Azra C. Ghani & H. Charles J. Godfray & Austin Burt & John D. Mumford, 2024. "The potential of gene drives in malaria vector species to control malaria in African environments," Nature Communications, Nature, vol. 15(1), pages 1-13, December.
    2. H. Juliette T. Unwin & Ellie Sherrard-Smith & Thomas S. Churcher & Azra C. Ghani, 2023. "Quantifying the direct and indirect protection provided by insecticide treated bed nets against malaria," Nature Communications, Nature, vol. 14(1), pages 1-12, December.

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