Echovirus 30 associated with cases of aseptic meningitis in state of Pará, Northern Brazil
Mem. Inst. Oswaldo Cruz
; 104(3): 444-450, May 2009. ilus, graf, mapas, tab
Article
em En
| LILACS
| ID: lil-517009
Biblioteca responsável:
BR1.1
ABSTRACT
Investigation of the aetiology of viral meningitis in Brazil is most often restricted to cases that occur in the Southern and Southeastern Regions; therefore, the purpose of this study is to describe the viral meningitis cases that occurred in state of Pará, Northern Brazil, from January 2005-December 2006. The detection of enterovirus (EV) in cerebrospinal fluid was performed using cell culture techniques, RT-PCR, nested PCR and nucleotide sequencing. The ages of the 91 patients ranged from < one year old to > 60 years old (median age 15.90 years). Fever (87.1 percent), headache (77.0 percent), vomiting (61.5 percent) and stiffness (61.5 percent) were the most frequent symptoms. Of 91 samples analyzed, 18 (19.8 percent) were positive for EV. Twelve were detected only by RT- PCR followed by nested PCR, whereas six were found by both cell culture and RT-PCR. From the last group, five were sequenced and classified as echovirus 30 (Echo 30). Phylogenetic analyses revealed that Echo 30 detected in Northern Brazil clustered within a unique group with a bootstrap value of 100 percent and could constitute a new subgroup (4c) according to the phylogenetic tree described by Oberste et al. (1999). This study described the first molecular characterization of Echo 30 in Brazil and this will certainly contribute to future molecular analyses involving strains detected in other regions of Brazil.
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Texto completo:
1
Coleções:
01-internacional
Base de dados:
LILACS
Assunto principal:
RNA Viral
/
Enterovirus Humano B
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Infecções por Echovirus
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Meningite Asséptica
Tipo de estudo:
Risk_factors_studies
Limite:
Adolescent
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Adult
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Aged
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Child
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Child, preschool
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Female
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Humans
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Infant
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Male
País/Região como assunto:
America do sul
/
Brasil
Idioma:
En
Revista:
Mem. Inst. Oswaldo Cruz
Assunto da revista:
MEDICINA TROPICAL
/
PARASITOLOGIA
Ano de publicação:
2009
Tipo de documento:
Article
País de afiliação:
Brasil
País de publicação:
Brasil