Seroprevalence of Toxoplasma gondii infection among indian people living in Iauareté, São Gabriel da Cachoeira, Amazonas, Brazil
Autor(a) principal: | |
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Data de Publicação: | 2008 |
Outros Autores: | , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Revista do Instituto de Medicina Tropical de São Paulo |
Texto Completo: | https://www.revistas.usp.br/rimtsp/article/view/31141 |
Resumo: | The goal of this survey was to estimate the seroprevalence of Toxoplasma gondii infection in Iauareté, a multiethnic Indian community in the upper Rio Negro basin. We carried out a cross-sectional survey (n = 260), in order to obtain serum samples and demographic data. The sample was randomly selected, by family conglomerate analysis. Serodiagnosis was performed by an enzyme-linked immunosorbent assay and indirect immunofluorescence. Prevalence of reactivity was 73.5% (191/260), being higher in the older-age groups, reaching 95.7% (44/46) in the group aged 50 years or more. The majority of seropositive subjects had titers equal to or less than 1:64. Seroprevalence was greater in Indians belonging to the Hupda ethnic group (p = 0.03). According to the present survey, Indian people living in Iauareté have a high prevalence of antibodies to T. gondii. Demographic concentration and urbanization within low sanitation and poor hygiene backgrounds, as well as unfiltered water consumption, may be related to the high frequency of T. gondii seroprevalence observed in the studied area. |
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Seroprevalence of Toxoplasma gondii infection among indian people living in Iauareté, São Gabriel da Cachoeira, Amazonas, Brazil Soroprevalência da infecção por Toxoplasma gondii em populações indígenas de Iauareté, São Gabriel da Cachoeira, Amazonas, Brasil Toxoplasma gondiiPrevalenceIndiansBrazilian AmazonIauareté The goal of this survey was to estimate the seroprevalence of Toxoplasma gondii infection in Iauareté, a multiethnic Indian community in the upper Rio Negro basin. We carried out a cross-sectional survey (n = 260), in order to obtain serum samples and demographic data. The sample was randomly selected, by family conglomerate analysis. Serodiagnosis was performed by an enzyme-linked immunosorbent assay and indirect immunofluorescence. Prevalence of reactivity was 73.5% (191/260), being higher in the older-age groups, reaching 95.7% (44/46) in the group aged 50 years or more. The majority of seropositive subjects had titers equal to or less than 1:64. Seroprevalence was greater in Indians belonging to the Hupda ethnic group (p = 0.03). According to the present survey, Indian people living in Iauareté have a high prevalence of antibodies to T. gondii. Demographic concentration and urbanization within low sanitation and poor hygiene backgrounds, as well as unfiltered water consumption, may be related to the high frequency of T. gondii seroprevalence observed in the studied area. Este estudo objetivou estimar a soroprevalência da infecção por Toxoplasma gondii em Iauareté, uma comunidade indígena multiétnica situada na bacia do Alto Rio Negro. Foi realizado um estudo seccional (n = 260), obtendo-se amostras de soro e dados demográficos, através de amostragem sistemática por conglomerado. Os testes sorológicos foram realizados através de ensaio imunoenzimático e imunofluorescência indireta. A prevalência da reatividade foi de 73,5% (191/260), aumentando com a faixa etária e atingindo 95,7% (44/46) em maiores de 50 anos. A maioria das amostras reativas apresentou títulos iguais ou inferiores a 1:64. Observou-se maior freqüência de reatividade entre os índios da etnia Maku Hupda. De acordo com o presente estudo, a população indígena de Iauareté apresenta alta prevalência da presença de anticorpos contra T. gondii. A concentração demográfica e a urbanização, conduzidas sem infra-estrutura sanitária, levadas a cabo na região no ultimo século, podem estar relacionadas à alta freqüência de detecção de anticorpos contra T. gondii na área estudada. Universidade de São Paulo. Instituto de Medicina Tropical de São Paulo2008-02-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfhttps://www.revistas.usp.br/rimtsp/article/view/31141Revista do Instituto de Medicina Tropical de São Paulo; Vol. 50 No. 1 (2008); 17-20 Revista do Instituto de Medicina Tropical de São Paulo; Vol. 50 Núm. 1 (2008); 17-20 Revista do Instituto de Medicina Tropical de São Paulo; v. 50 n. 1 (2008); 17-20 1678-99460036-4665reponame:Revista do Instituto de Medicina Tropical de São Pauloinstname:Instituto de Medicina Tropical (IMT)instacron:IMTenghttps://www.revistas.usp.br/rimtsp/article/view/31141/33025Copyright (c) 2018 Revista do Instituto de Medicina Tropical de São Pauloinfo:eu-repo/semantics/openAccessBóia, Márcio NevesCarvalho-Costa, Filipe AnibalSodré, Fernando CamposPinto, Gloria Maria TrindadeAmendoeira, Maria Regina Reis2012-07-07T19:06:19Zoai:revistas.usp.br:article/31141Revistahttp://www.revistas.usp.br/rimtsp/indexPUBhttps://www.revistas.usp.br/rimtsp/oai||revimtsp@usp.br1678-99460036-4665opendoar:2022-12-13T16:51:50.132584Revista do Instituto de Medicina Tropical de São Paulo - Instituto de Medicina Tropical (IMT)true |
dc.title.none.fl_str_mv |
Seroprevalence of Toxoplasma gondii infection among indian people living in Iauareté, São Gabriel da Cachoeira, Amazonas, Brazil Soroprevalência da infecção por Toxoplasma gondii em populações indígenas de Iauareté, São Gabriel da Cachoeira, Amazonas, Brasil |
title |
Seroprevalence of Toxoplasma gondii infection among indian people living in Iauareté, São Gabriel da Cachoeira, Amazonas, Brazil |
spellingShingle |
Seroprevalence of Toxoplasma gondii infection among indian people living in Iauareté, São Gabriel da Cachoeira, Amazonas, Brazil Bóia, Márcio Neves Toxoplasma gondii Prevalence Indians Brazilian Amazon Iauareté |
title_short |
Seroprevalence of Toxoplasma gondii infection among indian people living in Iauareté, São Gabriel da Cachoeira, Amazonas, Brazil |
title_full |
Seroprevalence of Toxoplasma gondii infection among indian people living in Iauareté, São Gabriel da Cachoeira, Amazonas, Brazil |
title_fullStr |
Seroprevalence of Toxoplasma gondii infection among indian people living in Iauareté, São Gabriel da Cachoeira, Amazonas, Brazil |
title_full_unstemmed |
Seroprevalence of Toxoplasma gondii infection among indian people living in Iauareté, São Gabriel da Cachoeira, Amazonas, Brazil |
title_sort |
Seroprevalence of Toxoplasma gondii infection among indian people living in Iauareté, São Gabriel da Cachoeira, Amazonas, Brazil |
author |
Bóia, Márcio Neves |
author_facet |
Bóia, Márcio Neves Carvalho-Costa, Filipe Anibal Sodré, Fernando Campos Pinto, Gloria Maria Trindade Amendoeira, Maria Regina Reis |
author_role |
author |
author2 |
Carvalho-Costa, Filipe Anibal Sodré, Fernando Campos Pinto, Gloria Maria Trindade Amendoeira, Maria Regina Reis |
author2_role |
author author author author |
dc.contributor.author.fl_str_mv |
Bóia, Márcio Neves Carvalho-Costa, Filipe Anibal Sodré, Fernando Campos Pinto, Gloria Maria Trindade Amendoeira, Maria Regina Reis |
dc.subject.por.fl_str_mv |
Toxoplasma gondii Prevalence Indians Brazilian Amazon Iauareté |
topic |
Toxoplasma gondii Prevalence Indians Brazilian Amazon Iauareté |
description |
The goal of this survey was to estimate the seroprevalence of Toxoplasma gondii infection in Iauareté, a multiethnic Indian community in the upper Rio Negro basin. We carried out a cross-sectional survey (n = 260), in order to obtain serum samples and demographic data. The sample was randomly selected, by family conglomerate analysis. Serodiagnosis was performed by an enzyme-linked immunosorbent assay and indirect immunofluorescence. Prevalence of reactivity was 73.5% (191/260), being higher in the older-age groups, reaching 95.7% (44/46) in the group aged 50 years or more. The majority of seropositive subjects had titers equal to or less than 1:64. Seroprevalence was greater in Indians belonging to the Hupda ethnic group (p = 0.03). According to the present survey, Indian people living in Iauareté have a high prevalence of antibodies to T. gondii. Demographic concentration and urbanization within low sanitation and poor hygiene backgrounds, as well as unfiltered water consumption, may be related to the high frequency of T. gondii seroprevalence observed in the studied area. |
publishDate |
2008 |
dc.date.none.fl_str_mv |
2008-02-01 |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
https://www.revistas.usp.br/rimtsp/article/view/31141 |
url |
https://www.revistas.usp.br/rimtsp/article/view/31141 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
https://www.revistas.usp.br/rimtsp/article/view/31141/33025 |
dc.rights.driver.fl_str_mv |
Copyright (c) 2018 Revista do Instituto de Medicina Tropical de São Paulo info:eu-repo/semantics/openAccess |
rights_invalid_str_mv |
Copyright (c) 2018 Revista do Instituto de Medicina Tropical de São Paulo |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
application/pdf |
dc.publisher.none.fl_str_mv |
Universidade de São Paulo. Instituto de Medicina Tropical de São Paulo |
publisher.none.fl_str_mv |
Universidade de São Paulo. Instituto de Medicina Tropical de São Paulo |
dc.source.none.fl_str_mv |
Revista do Instituto de Medicina Tropical de São Paulo; Vol. 50 No. 1 (2008); 17-20 Revista do Instituto de Medicina Tropical de São Paulo; Vol. 50 Núm. 1 (2008); 17-20 Revista do Instituto de Medicina Tropical de São Paulo; v. 50 n. 1 (2008); 17-20 1678-9946 0036-4665 reponame:Revista do Instituto de Medicina Tropical de São Paulo instname:Instituto de Medicina Tropical (IMT) instacron:IMT |
instname_str |
Instituto de Medicina Tropical (IMT) |
instacron_str |
IMT |
institution |
IMT |
reponame_str |
Revista do Instituto de Medicina Tropical de São Paulo |
collection |
Revista do Instituto de Medicina Tropical de São Paulo |
repository.name.fl_str_mv |
Revista do Instituto de Medicina Tropical de São Paulo - Instituto de Medicina Tropical (IMT) |
repository.mail.fl_str_mv |
||revimtsp@usp.br |
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1798951646798020608 |