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

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 l...

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Bibliographic Details
Published in:Memórias do Instituto Oswaldo Cruz 2008-08, Vol.103 (5), p.483-488
Main Authors: 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
Format: Article
Language:English
Subjects:
Amazon
Brazil - epidemiology
co-circulation
Dengue - epidemiology
Dengue - virology
Dengue Virus - classification
Dengue Virus - genetics
Dengue virus type 3
dengue virus type 3 - genotype III and V - co-circulation - phylogenetic analysis - Amazon
Disease Outbreaks
Genotype
genotype III and V
Humans
PARASITOLOGY
phylogenetic analysis
Phylogeny
Reverse Transcriptase Polymerase Chain Reaction
RNA, Viral - genetics
TROPICAL MEDICINE
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Summary: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.
ISSN:1678-8060
0074-0276
1678-8060
0074-0276
DOI:10.1590/S0074-02762008000500013