Malaria predictions based on seasonal climate forecasts in South Africa: A time series distributed lag nonlinear model

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dc.contributor.authorKim, Yoonheeko
dc.contributor.authorRatnam, J. V.ko
dc.contributor.authorDoi, Takeshiko
dc.contributor.authorMorioka, Yushiko
dc.contributor.authorBehera, Swadhinko
dc.contributor.authorTsuzuki, Ataruko
dc.contributor.authorMinakawa, Noboruko
dc.contributor.authorSweijd, Nevilleko
dc.contributor.authorKruger, Philipko
dc.contributor.authorMaharaj, Rajendrako
dc.contributor.authorImai, Chisato C. Hrissyko
dc.contributor.authorNg, Chris Fook Shengko
dc.contributor.authorChung, Yeonseungko
dc.contributor.authorHashizume, Masahiroko
dc.date.accessioned2019-12-17T09:20:50Z-
dc.date.available2019-12-17T09:20:50Z-
dc.date.created2019-12-17-
dc.date.created2019-12-17-
dc.date.created2019-12-17-
dc.date.issued2019-11-
dc.identifier.citationSCIENTIFIC REPORTS, v.9-
dc.identifier.issn2045-2322-
dc.identifier.urihttp://hdl.handle.net/10203/269818-
dc.description.abstractAlthough there have been enormous demands and efforts to develop an early warning system for malaria, no sustainable system has remained. Well-organized malaria surveillance and high-quality climate forecasts are required to sustain a malaria early warning system in conjunction with an effective malaria prediction model. We aimed to develop a weather-based malaria prediction model using a weekly time-series data including temperature, precipitation, and malaria cases from 1998 to 2015 in Vhembe, Limpopo, South Africa and apply it to seasonal climate forecasts. The malaria prediction model performed well for short-term predictions (correlation coefficient, r > 0.8 for 1- and 2-week ahead forecasts). The prediction accuracy decreased as the lead time increased but retained fairly good performance (r > 0.7) up to the 16-week ahead prediction. The demonstration of the malaria prediction process based on the seasonal climate forecasts showed the short-term predictions coincided closely with the observed malaria cases. The weather-based malaria prediction model we developed could be applicable in practice together with skillful seasonal climate forecasts and existing malaria surveillance data. Establishing an automated operating system based on real-time data inputs will be beneficial for the malaria early warning system, and can be an instructive example for other malaria-endemic areas.-
dc.languageEnglish-
dc.publisherNATURE PUBLISHING GROUP-
dc.titleMalaria predictions based on seasonal climate forecasts in South Africa: A time series distributed lag nonlinear model-
dc.typeArticle-
dc.identifier.wosid000499700100001-
dc.identifier.scopusid2-s2.0-85075801223-
dc.type.rimsART-
dc.citation.volume9-
dc.citation.publicationnameSCIENTIFIC REPORTS-
dc.identifier.doi10.1038/s41598-019-53838-3-
dc.contributor.localauthorChung, Yeonseung-
dc.contributor.nonIdAuthorKim, Yoonhee-
dc.contributor.nonIdAuthorRatnam, J. V.-
dc.contributor.nonIdAuthorDoi, Takeshi-
dc.contributor.nonIdAuthorMorioka, Yushi-
dc.contributor.nonIdAuthorBehera, Swadhin-
dc.contributor.nonIdAuthorTsuzuki, Ataru-
dc.contributor.nonIdAuthorMinakawa, Noboru-
dc.contributor.nonIdAuthorSweijd, Neville-
dc.contributor.nonIdAuthorKruger, Philip-
dc.contributor.nonIdAuthorMaharaj, Rajendra-
dc.contributor.nonIdAuthorImai, Chisato C. Hrissy-
dc.contributor.nonIdAuthorNg, Chris Fook Sheng-
dc.contributor.nonIdAuthorHashizume, Masahiro-
dc.description.isOpenAccessY-
dc.type.journalArticleArticle-
dc.subject.keywordPlusANOPHELES-GAMBIAE-
dc.subject.keywordPlusAQUATIC STAGES-
dc.subject.keywordPlusTEMPERATURE-
dc.subject.keywordPlusREGRESSION-
dc.subject.keywordPlusRAINFALL-
dc.subject.keywordPlusDIPTERA-
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