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(Referência obtida automaticamente do Web of Science, por meio da informação sobre o financiamento pela FAPESP e o número do processo correspondente, incluída na publicação pelos autores.)

Risk factors for dengue virus infection in rural Amazonia: Population-based cross-sectional surveys

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Autor(es):
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da Silva-Nunes, Monica [1] ; de Souza, Vanda A. F. [2] ; Pannuti, Claudio S. [2] ; Speranca, Marcia A. [2] ; Terzian, Ana Carolina B. [2] ; Nogueira, Mauricio L. [2] ; Yamamura, Anna M. Y. [2] ; Freire, Marcos S. [2] ; da Silva, Natal S. [2] ; Malafronte, Rosely S. [2] ; Muniz, Pascoal T. [2] ; Vasconcelos, Helena B. [2] ; da Silva, Eliana V. P. [2] ; Vasconcelos, Pedro F. C. [2] ; Ferreira, Marcelo U. [2]
Número total de Autores: 15
Afiliação do(s) autor(es):
[1] Univ Sao Paulo, Inst Biomed Sci, Dept Parasitol, BR-05508900 Sao Paulo - Brazil
[2] Evandro Chagas Inst, Lab Arbovirol & Hemorrhag Fevers, BR-66093020 Belem, Para - Brazil
Número total de Afiliações: 2
Tipo de documento: Artigo Científico
Fonte: American Journal of Tropical Medicine and Hygiene; v. 79, n. 4, p. 485-494, OCT 2008.
Citações Web of Science: 18
Resumo

A comparison of dengue virus (DENV) antibody levels in paired serum samples collected from predominantly DENV-naive residents in an agricultural settlement in Brazilian Amazonia (baseline seroprevalence, 18.3%) showed a seroconversion rate of 3.67 episodes/100 person-years at risk during 12 months of follow-up. Multivariate analysis identified male sex, poverty, and migration from extra-Amazonian states as significant predictors of baseline DENY seropositivity, whereas male sex, a history of clinical diagnosis of dengue fever, and travel to an urban area predicted subsequent seroconversion. The laboratory surveillance of acute febrile illnesses implemented at the study site and in a nearby town between 2004 and 2006 confirmed 11. DENV infections among 102 episodes studied with DENV IgM detection, reverse transcriptase-polymerise chain reaction, and virus isolation; DENV-3 was isolated. Because DENV exposure is associated with migration or travel, personal protection measures when visiting high-risk urban areas may reduce the incidence of DENV infection in this rural population. (AU)

Processo FAPESP: 04/00373-2 - Dinâmica de transmissão da dengue e outras arboviroses em área rural e seus determinantes: estudo longitudinal na Amazônia Ocidental brasileira
Beneficiário:Marcelo Urbano Ferreira
Modalidade de apoio: Auxílio à Pesquisa - Regular