A novel pattern of treponemal antibody distribution in isolated South American Indian populations
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1978
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The Johns Hopkins University. School of Hygiene and Public Health
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Abstract
Inquéritos sorológicos para a doença treponêmica foram realizados em 1970-1976 entre três grupos populacionais isolados e linguisticamente distintos na região amazônica brasileira e entre os índios mapuches do sul do Chile. Três padrões foram encontrados: 1) nenhuma evidência de infecção treponêmica em dois grupos contatados muito recentemente; 2) Indivíduos positivos esporádicos Em grupos com longos períodos de contato com populações não indígenas; e 3) alta prevalência de testes positivos em um grupo cultural com exposição limitada a não índios. A soroepidemiologia e as manifestações clínicas de uma possível infecção treponêmica Nas aldeias com alta prevalência de testes positivos foram diferentes das treponematoses humanas classicamente descritas
Abstract
Serologic surveys for treponemal disease were carried out In 1970–1976 among three linguistically distinct and Isolated population groups In the Brazilian Amazon Region and among the Mapuche Indians of southern Chile. Three patterns were found: 1) no evidence for treponemal infection In two very recently contacted groups; 2) sporadic positive Individuals In groups with long periods of contact with non-Indian populations; and 3) a high prevalence of positive tests In one cultural group with limited exposure to non-Indians. The seroepldemiology and clinical manifestations of a possible treponemal Infection In those villages with a high prevalence of positive tests were unlike those of the classically described human treponematoses
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Brazil, Health of Indigenous Peoples, Indians, South American, Treponemal Infections, Chile, Região Amazônica
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Brasil, Saúde de Populações Indígenas, Índios Sul-Americanos, Infecções por Treponema, Chile, Ecossistema Amazônico
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RICHARD V. LEE; et al. A novel pattern of treponemal antibody distribution in isolated South American Indian populations. American Journal of Epidemiology , v. 107, n. 1, p. 46-53, 1978.
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https://doi.org/10.1093/oxfordjournals.aje.a112506