Seroepidemiology of Trypanosoma cruzi infection in the semiarid rural zone of the State of Rio Grande do Norte, Brazil

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dc.contributor.authorBrito, Carlos Ramon do Nascimento
dc.contributor.authorSampaio, George Harisson Felinto
dc.contributor.authorCâmara, Antonia Cláudia Jácome da
dc.contributor.authorNunes, Daniela Ferreira
dc.contributor.authorAzevedo, Paulo Roberto Medeiros de
dc.contributor.authorChiari, Egler
dc.contributor.authorGalvão, Lúcia Maria da Cunha
dc.date.accessioned2023-04-04T23:36:14Z
dc.date.available2023-04-04T23:36:14Z
dc.date.issued2012-05
dc.description.resumoA seroepidemiological survey was carried out to evaluate Trypanosoma cruzi infection in an endemic area of the State of Rio Grande do Norte, Brazil, involving rural residents. Methods: Sixteen municipalities were randomly selected, 15 from the west mesoregion and one from the central, with an estimated population of 83,852 individuals. A total of 1,950 blood samples were collected in the west mesoregion and 390 in Caicó. Anti-T. cruzi antibodies were detected using the Chagatest® ELISA HAI-hemagglutination kits and indirect immunofluorescence. As sera presented indeterminate results, TESAcruzi® western blot was performed to confirm reactivity. Results: An estimated seroprevalence of 6.5% was determined for the west mesoregion and 3.3% for Caicó. Seropositivity rises progressively with the age of individuals, up to 40 years in Caicó and up to 50 years in the west mesoregion. Only educational level and knowledge regarding the triatomine were associated with seropositivity. No seroreactive individuals under 18 years of age were identified. Conclusions: Infection by T. cruzi remains high and is concentrated in municipalities in the central western area of the west mesoregion; however, evidence suggests a decline in vector transmission in this mesoregion and in Caicó. Epidemiological variables appear not to influence seropositivity, with the exception of education and knowledge concerning the triatomine, among seroreactive individuals from the west mesoregion.pt_BR
dc.identifier.citationBRITO, C. R. DO N. et al.. Seroepidemiology of Trypanosoma cruzi infection in the semiarid rural zone of the State of Rio Grande do Norte, Brazil. Revista da Sociedade Brasileira de Medicina Tropical. Rev. Soc. Bras. Med. Trop, v. 45, n.3, p. 346–352, mar. 2012. Disponível em: https://www.scielo.br/j/rsbmt/a/mTCt7fkHzTcZk4kgjRGZ7QB/abstract/?lang=en. Acesso em: 08 dez. 2017pt_BR
dc.identifier.issn0037-8682
dc.identifier.urihttps://repositorio.ufrn.br/handle/123456789/52045
dc.languageenpt_BR
dc.publisherRevista da Sociedade Brasileira de Medicina Tropicalpt_BR
dc.rightsAcesso Abertopt_BR
dc.subjectTrypanosoma cruzipt_BR
dc.subjectChagas diseasept_BR
dc.subjectSeroprevalencept_BR
dc.subjectEpidemiological variablespt_BR
dc.titleSeroepidemiology of Trypanosoma cruzi infection in the semiarid rural zone of the State of Rio Grande do Norte, Brazilpt_BR
dc.title.alternativeSoroepidemiologia da infecção pelo Trypanosoma cruzi na zona rural do semiárido do Estado do Rio Grande do Norte, Brasilpt_BR
dc.typearticlept_BR

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