Detection of the Asian II genotype of dengue virus serotype 2 in humans and mosquitoes in Brazil.

REVISTA DA SOCIEDADE BRASILEIRA DE MEDICINA TROPICAL(2020)

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摘要
INTRODUCTION:DENV-2 is the cause of most dengue epidemics worldwide and is associated with severe cases. METHODS:We investigated arboviruses in 164 serum samples collected from patients presenting with clinical symptoms of dengue fever and 152 mosquito pools. RESULTS:We detected the Asian II genotype of DENV-2 in humans and mosquitoes. Our results confirmed the circulation of the Asian II genotype in Brazil, in addition to the prevalent Asian/American genotype. CONCLUSIONS:The detection of Asian II genotype of DENV-2 in mosquito pools collected in a forest park may be related to a spillback event of human dengue virus.
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关键词
Molecular epidemiology,Arbovirus,Phylogeny
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