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When they don't bite, we smell money: understanding malaria bednet misuse

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Title: When they don't bite, we smell money: understanding malaria bednet misuse
Authors: HONJO, KEITA Browse this author
CHAVES, LUIS FERNANDO Browse this author →ORCID
SATAKE, AKIKO Browse this author
KANEKO, AKIRA Browse this author
MINAKAWA, NOBORU Browse this author
Keywords: Plasmodium
poverty
Pareto equilibrium
Nash equilibrium
insecticide treated nets
Kenya
Vanuatu
Issue Date: Apr-2013
Publisher: Cambridge University Press
Journal Title: Parasitology
Volume: 140
Issue: 05
Start Page: 580
End Page: 586
Publisher DOI: 10.1017/S0031182012002077
Abstract: Insecticide-treated nets (ITNs) are a major tool to control malaria. Over recent years increased ITN coverage has been associated with decreased malaria transmission. However, ITN ‘misuse’ has been increasingly reported and whether this emergent behaviour poses a threat to successful malaria control and elimination is an open question. Here, we use a game theory mathematical model to understand the possible roles of poverty and malaria infection protection by individual and emerging ‘community effects’ on the ‘misuse’ of malaria bednets. We compare model predictions with data from our studies in Lake Victoria Islands (LVI), Kenya and Aneityum, Vanuatu. Our model shows that alternative ITN use is likely to emerge in impoverished populations and could be exacerbated if ITNs become ineffective or when large ‘community effects’ emerge. Our model predicted patterns of ITN use similar to the observed in LVI, where ‘misuse’ is common and the high ITN use in Aneityum, more than 20 years after malaria elimination in 1990. We think that observed differences in ITN use may be shaped by different degrees of economic and social development, and educational components of the Aneityum elimination, where traditional cooperative attitudes were strengthened with the malaria elimination intervention and post-elimination surveillance.
Rights: ©Cambridge University Press
http://creativecommons.org/licenses/by-nc-sa/3.0/
Type: article
URI: http://hdl.handle.net/2115/52209
Appears in Collections:環境科学院・地球環境科学研究院 (Graduate School of Environmental Science / Faculty of Environmental Earth Science) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: Luis Fernando CHAVES

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