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dc.contributor.authorAlves, Fabiana Piovesan-
dc.contributor.authorGil, Luiz Herman S.-
dc.contributor.authorMarrelli, Mauro T.-
dc.contributor.authorRibolla, Paulo E. M.-
dc.contributor.authorCamargo, Erney P.-
dc.contributor.authorDa Silva, Luiz Hildebrando Pereira-
dc.date.accessioned2014-05-27T11:21:37Z-
dc.date.accessioned2016-10-25T18:21:07Z-
dc.date.available2014-05-27T11:21:37Z-
dc.date.available2016-10-25T18:21:07Z-
dc.date.issued2005-09-01-
dc.identifierhttp://www.ncbi.nlm.nih.gov/pubmed/16363160-
dc.identifier.citationJournal of Medical Entomology, v. 42, n. 5, p. 777-779, 2005.-
dc.identifier.issn0022-2585-
dc.identifier.urihttp://hdl.handle.net/11449/68408-
dc.identifier.urihttp://acervodigital.unesp.br/handle/11449/68408-
dc.description.abstractWe have described the existence of asymptomatic carriers of Plasmodium vivax and Plasmodium falciparum infections in native Amazon populations. Most of them had low parasitemias, detected only by polymerase chain reaction (PCR). Because they remain symptomless and untreated, we wanted to determine whether they could infect Anopheles darlingi Root, the main Brazilian vector, and act as disease reservoirs. Fifteen adult asymptomatic patients (PCR positive only) were selected, and experimental infections of mosquitoes were performed by direct feeding and by a membrane-feeding system. Seventeen adult symptomatic patients with high parasitemias were used as controls. We found an infection rate in An. darlingi of 1.2% for the asymptomatic carriers and 22% for the symptomatic carriers. Although the asymptomatic group infected mosquitoes at a much lower rate, these patients remain infective longer than treated, symptomatic patients. Also, the prevalence of asymptomatic infections is 4 to 5 times higher than symptomatic infections among natives. These results have implications for the malaria control program in Brazil, which focuses essentially on the treatment of symptomatic patients. © 2005 Entomological Society of America.en
dc.format.extent777-779-
dc.language.isoeng-
dc.sourceScopus-
dc.subjectAnopheles darlingi-
dc.subjectAsymptomatic infection-
dc.subjectMalaria-
dc.subjectMosquito feeding-
dc.subjectanimal-
dc.subjectAnopheles-
dc.subjectBrazil-
dc.subjectcomparative study-
dc.subjectdisease carrier-
dc.subjectdisease transmission-
dc.subjectgenetics-
dc.subjecthuman-
dc.subjectmalaria-
dc.subjectparasitology-
dc.subjectPlasmodium-
dc.subjectpolymerase chain reaction-
dc.subjectspecies difference-
dc.subjectAnimals-
dc.subjectDisease Reservoirs-
dc.subjectHumans-
dc.subjectInsect Vectors-
dc.subjectPolymerase Chain Reaction-
dc.subjectSpecies Specificity-
dc.subjectPlasmodium falciparum-
dc.subjectPlasmodium vivax-
dc.titleAsymptomatic carriers of Plasmodium spp. as infection source for malaria vector mosquitoes in the Brazilian Amazonen
dc.typeoutro-
dc.contributor.institutionCentro de Pesquisa em Medicina Tropical-
dc.contributor.institutionUniversidade de São Paulo (USP)-
dc.contributor.institutionUniversidade Estadual Paulista (UNESP)-
dc.description.affiliationCentro de Pesquisa em Medicina Tropical, BR-364 Km 4,5, 78910-210, Porto Velho, Rondonia-
dc.description.affiliationDepartment of Parasitology University of São Paulo, Av. Lineu Prestes, 1374, 05508-900, São Paulo, S.P.-
dc.description.affiliationDepartment of Parasitology São Paulo State University, Botucatu, S.P.-
dc.description.affiliationUnespDepartment of Parasitology São Paulo State University, Botucatu, S.P.-
dc.identifier.wosWOS:000231846500008-
dc.rights.accessRightsAcesso restrito-
dc.relation.ispartofJournal of Medical Entomology-
dc.identifier.scopus2-s2.0-25444469896-
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