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Memórias do Instituto Oswaldo Cruz
Fundação Oswaldo Cruz, Fiocruz
ISSN: 1678-8060
EISSN: 1678-8060
Vol. 103, No. 5, 2008, pp. 483-488
Bioline Code: oc08085
Full paper language: English
Document type: Research Article
Document available free of charge

Memórias do Instituto Oswaldo Cruz, Vol. 103, No. 5, 2008, pp. 483-488

 en Evidence for the co-circulation of dengue virus type 3 genotypes III and V in the Northern region of Brazil during the 2002-2004 epidemics
Nogueira, Meri Bordignon; Stella, Vanessa; Bordignon, Juliano; Batista, Weber Cheli; de Borba, Luana; da Silva, Luis Hildebrando Pereira; Hoffmann, Federico Guillermo; Probst, Christian Macagnan & dos Santos, Claudia Nunes Duarte

Abstract

The reintroduction of dengue virus type 3 (DENV-3) in Brazil in 2000 and its subsequent spread throughout the country was associated with genotype III viruses, the only DENV-3 genotype isolated in Brazil prior to 2002. We report here the co-circulation of two different DENV-3 genotypes in patients living in the Northern region of Brazil during the 2002-2004 epidemics. Complete genomic sequences of viral RNA were determined from these epidemics, and viruses belonging to genotypes V (Southeast Asia/South Pacific) and III were identified. This recent co-circulation of different DENV-3 genotypes in South America may have implications for pathological and epidemiological dynamics.

Keywords
dengue virus type 3 - genotype III and V - co-circulation - phylogenetic analysis - Amazon

 
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