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Modeling Malaria Infection and Immunity against Variant Surface Antigens in Príncipe Island, West Africa

dc.contributor.authorTrovoada, Maria Jesus
dc.contributor.authorGonçalves, Lígia A.
dc.contributor.authorMarinho, Cláudio R. F.
dc.contributor.authorTurner, Louise
dc.contributor.authorHviid, Lars
dc.contributor.authorPenha-Gonçalves, Carlos
dc.contributor.authorGomes, M. Gabriela M.
dc.date.accessioned2015-09-23T16:45:14Z
dc.date.available2015-09-23T16:45:14Z
dc.date.issued2014-02-10
dc.descriptionThis deposit is composed by the main article plus the supplementary materials of the publication.
dc.description.abstractAfter remarkable success of vector control campaigns worldwide, concerns about loss of immunity against Plasmodium falciparum due to lack of exposure to the parasite are relevant since an increase of severe cases in less immune individuals is expected. We present a mathematical model to investigate the impact of reducing exposure to the parasite on the immune repertoire against P. falciparum erythrocyte membrane protein 1 (PfEMP1) variants. The model was parameterized with data from Príncipe Island, West Africa, and applied to simulate two alternative transmission scenarios: one where control measures are continued to eventually drive the system to elimination; and another where the effort is interrupted after 6 years of its initiation and the system returns to the initial transmission potential. Population dynamics of parasite prevalence predict that in a few years infection levels return to the pre-control values, while the re-acquisition of the immune repertoire against PfEMP1 is slower, creating a window for increased severity. The model illustrates the consequences of loss of immune repertoire against PfEMP1 in a given setting and can be applied to other regions where similar data may be available.pt_PT
dc.description.sponsorshipPortuguese Foundation for Science and Technology (FCT).pt_PT
dc.identifier10.1371/journal.pone.0088110
dc.identifier.citationBandeiras C, Trovoada MJ, Gonçalves LA, Marinho CRF, Turner L, Hviid L, et al. (2014) Modeling Malaria Infection and Immunity against Variant Surface Antigens in Príncipe Island, West Africa. PLoS ONE 9(2): e88110. doi:10.1371/journal.pone.0088110pt_PT
dc.identifier.doi10.1371/journal.pone.0088110
dc.identifier.doi10.1371/journal.pone.0088110
dc.identifier.urihttp://hdl.handle.net/10400.7/317
dc.language.isoporpt_PT
dc.peerreviewedyespt_PT
dc.publisherPLOSpt_PT
dc.relationDeveloping the Framework for an Epidemic Forecast Infrastructure
dc.relationTowards the establishment of a permanent European Virtual Institute dedicated to Malaria Research (EVIMalaR).
dc.relation.publisherversionhttp://journals.plos.org/plosone/article?id=10.1371/journal.pone.0088110pt_PT
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.subjectMalaria Infectionpt_PT
dc.subjectImmunitypt_PT
dc.titleModeling Malaria Infection and Immunity against Variant Surface Antigens in Príncipe Island, West Africapt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleDeveloping the Framework for an Epidemic Forecast Infrastructure
oaire.awardTitleTowards the establishment of a permanent European Virtual Institute dedicated to Malaria Research (EVIMalaR).
oaire.awardURIinfo:eu-repo/grantAgreement/EC/FP7/231807/EU
oaire.awardURIinfo:eu-repo/grantAgreement/EC/FP7/242095/EU
oaire.citation.endPage10pt_PT
oaire.citation.issue2pt_PT
oaire.citation.startPage1pt_PT
oaire.citation.titlePLOS Onept_PT
oaire.citation.volume9pt_PT
oaire.fundingStreamFP7
oaire.fundingStreamFP7
project.funder.identifierhttp://doi.org/10.13039/501100008530
project.funder.identifierhttp://doi.org/10.13039/501100008530
project.funder.nameEuropean Commission
project.funder.nameEuropean Commission
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
relation.isProjectOfPublication120acf43-5f6e-4b79-a889-031b54eba6a7
relation.isProjectOfPublicationae9ec4d8-bb5a-4faa-9619-be90d5764f73
relation.isProjectOfPublication.latestForDiscovery120acf43-5f6e-4b79-a889-031b54eba6a7

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