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An outbreak of diarrhoea associated with rotavirus serotype 1 in a day care nursery in Rio de Janeiro, Brazil
Mem. Inst. Oswaldo Cruz ; 89(1): 5-9, jan.-mar. 1994. ilus, tab
Artigo em Inglês | LILACS | ID: lil-155802
ABSTRACT
Faeces from 17 children less than 1.6 years old 15 adultsmore than 22 years old were collected during an outbreak of gastroenteritis in aday care nursery and screened for the presence of adenovirus and rotavirus by enzyme immunoassay (EIARA) and other viruses by electron microscopy (EM) and polycrylamide gel electrophoresis (PAGE). Ten samples (58.8 per cent) from childrenand one (6.7 per cent) from adults were positive for rotavirus and all samples were negative for bacteria and parasites. No other viruses were observed in EM. An enzyme immunoassay test using monoclonal antibodies (MAb-EIA) to determine the subgroup(s) and the serotype(s) of rotavirus was performed and the results showedthat all positive samples belong to serotype 1, subgroup II of group A rotaviruses. In PAGE test all samples had the same profile and the 10 and 11 dsRNA segments corresponed to the "long" profile of group A of rotaviruses. These results corroborated the MAbEIA results and indicate a sole source of infection. The majorsymptoms observed were vomiting (60 per cent), fever (70 per cent) and diarrhoea (100 per cent). In previous years (1989 to 1991) we observed only rotavirus serotype 2 in this same day care nursery, but no outbreak was reported.
Assuntos
Texto completo: DisponíveL Índice: LILACS (Américas) Assunto principal: Infecções por Rotavirus / Surtos de Doenças / Diarreia Tipo de estudo: Fatores de risco Limite: Adulto / Humanos / Lactente País/Região como assunto: América do Sul / Brasil Idioma: Inglês Revista: Mem. Inst. Oswaldo Cruz Assunto da revista: Medicina Tropical / Parasitologia Ano de publicação: 1994 Tipo de documento: Artigo

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Texto completo: DisponíveL Índice: LILACS (Américas) Assunto principal: Infecções por Rotavirus / Surtos de Doenças / Diarreia Tipo de estudo: Fatores de risco Limite: Adulto / Humanos / Lactente País/Região como assunto: América do Sul / Brasil Idioma: Inglês Revista: Mem. Inst. Oswaldo Cruz Assunto da revista: Medicina Tropical / Parasitologia Ano de publicação: 1994 Tipo de documento: Artigo