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Distribution of species enterovirus B in patients with central nervous system infections in Sao Paulo State, Brazil

Texto completo
Autor(es):
Compagnoli Carmona, Rita de Cassia [1] ; Caetano Machado, Braulio [1] ; Aparecida de Sousa, Cleusa [1] ; Vieira, Heloisa Rosa [1] ; Moraes Alves, Mayara Rhaissa [1] ; Farias de Souza, Karen Aparecida [1] ; de Souza Gregorio, Debora [1] ; Costa Vilanova, Bethania [1] ; Sampaio Tavares Timenetsky, Maria do Carmo [2]
Número total de Autores: 9
Afiliação do(s) autor(es):
[1] Adolfo Lutz Inst, Virol Ctr, Enter Dis Lab, Ave Dr Arnaldo 355, BR-01246902 Sao Paulo, SP - Brazil
[2] Adolfo Lutz Inst, Virol Ctr, Sao Paulo - Brazil
Número total de Afiliações: 2
Tipo de documento: Artigo Científico
Fonte: Journal of Medical Virology; v. 92, n. 12 JUN 2020.
Citações Web of Science: 0
Resumo

Enteroviruses (EV) are most common cause of central nervous system (CNS) infection, mainly aseptic meningitis. In Brazil, data available concerning the distribution of EV types are scarce. The aim of this study was to describe of types EV in patients with infection of the CNS in Sao Paulo State. This retrospective study was conducted in clinical samples collected from patients with infections of the CNS from 2004 to 2014. We investigated the presence of EV by virus isolation in cell culture. The samples that showed cytopathic effect in the cell culture were submitted by indirect immunofluorescence assay, reverse transcription polymerase chain reaction and VP1 partial sequencing to identification of EV isolated. A total of 176 EV isolated in cell culture was detected and typed in 14.5% (n = 176/1215) of clinical samples analyzed; corresponding to 71.0% of AM, and 19.3% of encephalitis and meningoencephalitis. Echoviruses (E) were isolated most frequently, with 155 strains (88.1%), Coxsackievirus B (CV-B), with 20 cases (11.4%), CV-A, with 01 case (0.6%). E-6 was the most commonly identified followed in decreasing order by E-30; E-18; CV-B5; E-4; E-11; CV-B2 and E-9; E-7; CV-A9, CV-B1, CV-B3, CV-B4, E-13, E-14, and E-21. EV detected were classified as belonging to the species enterovirus B. EV were detected in all the period of the year with the highest rate in the spring and summer months. Data obtained in this study contribute to the knowledge about EV circulation implicated in CNS infections over a 11-year period in Sao Paulo State, Brazil. (AU)

Processo FAPESP: 12/50234-5 - Caracterizacao molecular dos enterovirus associados a casos de meningite asseptica.
Beneficiário:Rita de Cássia Compagnoli Carmona
Modalidade de apoio: Auxílio à Pesquisa - Regular