A Comparative Analysis of the Relative Efficacy of Vector-Control Strategies Against Dengue Fever

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dc.contributorSistema FMUSP-HC: Faculdade de Medicina da Universidade de São Paulo (FMUSP) e Hospital das Clínicas da FMUSP
dc.contributor.authorAMAKU, Marcos
dc.contributor.authorCOUTINHO, Francisco Antonio Bezerra
dc.contributor.authorRAIMUNDO, Silvia Martorano
dc.contributor.authorLOPEZ, Luis Fernandez
dc.contributor.authorBURATTINI, Marcelo Nascimento
dc.contributor.authorMASSAD, Eduardo
dc.date.accessioned2014-09-30T14:45:21Z
dc.date.available2014-09-30T14:45:21Z
dc.date.issued2014
dc.description.abstractDengue is considered one of the most important vector-borne infection, affecting almost half of the world population with 50 to 100 million cases every year. In this paper, we present one of the simplest models that can encapsulate all the important variables related to vector control of dengue fever. The model considers the human population, the adult mosquito population and the population of immature stages, which includes eggs, larvae and pupae. The model also considers the vertical transmission of dengue in the mosquitoes and the seasonal variation in the mosquito population. From this basic model describing the dynamics of dengue infection, we deduce thresholds for avoiding the introduction of the disease and for the elimination of the disease. In particular, we deduce a Basic Reproduction Number for dengue that includes parameters related to the immature stages of the mosquito. By neglecting seasonal variation, we calculate the equilibrium values of the model's variables. We also present a sensitivity analysis of the impact of four vector-control strategies on the Basic Reproduction Number, on the Force of Infection and on the human prevalence of dengue. Each of the strategies was studied separately from the others. The analysis presented allows us to conclude that of the available vector control strategies, adulticide application is the most effective, followed by the reduction of the exposure to mosquito bites, locating and destroying breeding places and, finally, larvicides. Current vector-control methods are concentrated on mechanical destruction of mosquitoes' breeding places. Our results suggest that reducing the contact between vector and hosts (biting rates) is as efficient as the logistically difficult but very efficient adult mosquito's control.
dc.description.indexMEDLINE
dc.description.sponsorshipEuropean Union [282589]
dc.description.sponsorshipLIM01 HCFMUSP
dc.description.sponsorshipCNPq
dc.identifier.citationBULLETIN OF MATHEMATICAL BIOLOGY, v.76, n.3, p.697-717, 2014
dc.identifier.doi10.1007/s11538-014-9939-5
dc.identifier.eissn1522-9602
dc.identifier.issn0092-8240
dc.identifier.urihttps://observatorio.fm.usp.br/handle/OPI/7701
dc.language.isoeng
dc.publisherSPRINGER
dc.relation.ispartofBulletin of Mathematical Biology
dc.rightsrestrictedAccess
dc.rights.holderCopyright SPRINGER
dc.subjectDengue
dc.subjectBasic reproduction number
dc.subjectForce of infection
dc.subjectSensitivity analysis
dc.subjectVector control
dc.subject.otherpopulation-dynamics
dc.subject.otherthreshold conditions
dc.subject.othersensitivity-analysis
dc.subject.otheraedes-aegypti
dc.subject.othertransmission
dc.subject.otherdisease
dc.subject.otherinfections
dc.subject.otherparameters
dc.subject.othermosquito
dc.subject.othermalaria
dc.subject.wosBiology
dc.subject.wosMathematical & Computational Biology
dc.titleA Comparative Analysis of the Relative Efficacy of Vector-Control Strategies Against Dengue Fever
dc.typearticle
dc.type.categoryoriginal article
dc.type.versionpublishedVersion
dspace.entity.typePublication
hcfmusp.author.externalAMAKU, Marcos:Univ Sao Paulo, Sch Vet Med, BR-05508270 Sao Paulo, Brazil
hcfmusp.citation.scopus37
hcfmusp.contributor.author-fmusphcFRANCISCO ANTONIO BEZERRA COUTINHO
hcfmusp.contributor.author-fmusphcSILVIA MARTORANO RAIMUNDO
hcfmusp.contributor.author-fmusphcLUIS FERNANDEZ LOPEZ
hcfmusp.contributor.author-fmusphcMARCELO NASCIMENTO BURATTINI
hcfmusp.contributor.author-fmusphcEDUARDO MASSAD
hcfmusp.description.beginpage697
hcfmusp.description.endpage717
hcfmusp.description.issue3
hcfmusp.description.volume76
hcfmusp.origemWOS
hcfmusp.origem.pubmed24619807
hcfmusp.origem.scopus2-s2.0-84896544630
hcfmusp.origem.wosWOS:000333125400008
hcfmusp.publisher.cityNEW YORK
hcfmusp.publisher.countryUSA
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hcfmusp.remissive.sponsorshipCNPq
hcfmusp.remissive.sponsorshipFMUSP-HC
hcfmusp.remissive.sponsorshipEuropean Union
hcfmusp.scopus.lastupdate2024-05-17
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