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Mem. Inst. Oswaldo Cruz ; 109(6): 820-823, 09/09/2014. tab, graf
Article in English | LILACS | ID: lil-723986

ABSTRACT

Mayaro virus (MAYV) is frequently reported in Pan-Amazonia. The aim of this study was to investigate the circulation of alphaviruses during a dengue outbreak in the state of Mato Grosso, Brazil. Serum samples from dengue-suspected patients were subjected to multiplex semi-nested reverse transcriptase polymerase chain reaction for 11 flaviviruses and five alphaviruses, to nucleotide sequencing and to viral isolation. MAYV was detected in 15 (2.5%) of 604 patients. Twelve were co-infected with dengue virus 4, which was isolated from 10 patients. The molecular detection of MAYV in dengue-suspected patients suggests that other arboviruses may be silently circulating during dengue outbreaks in Brazil.


Subject(s)
Adolescent , Adult , Child , Female , Humans , Male , Middle Aged , Young Adult , Alphavirus Infections/epidemiology , Alphavirus/isolation & purification , Asymptomatic Infections/epidemiology , Disease Outbreaks , Dengue Virus/isolation & purification , Dengue/epidemiology , Alphavirus/classification , Alphavirus/genetics , Base Sequence/genetics , Brazil/epidemiology , Coinfection/epidemiology , Coinfection/virology , Dengue/blood , Dengue/virology , Multiplex Polymerase Chain Reaction , Molecular Diagnostic Techniques/methods , Reverse Transcriptase Polymerase Chain Reaction
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