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Memórias do Instituto Oswaldo Cruz
Fundação Oswaldo Cruz, Fiocruz
ISSN: 1678-8060
EISSN: 1678-8060
Vol. 108, No. 5, 2013, pp. 661-664
Bioline Code: oc13113
Full paper language: English
Document type: Research Article
Document available free of charge

Memórias do Instituto Oswaldo Cruz, Vol. 108, No. 5, 2013, pp. 661-664

 en Group A rotavirus and norovirus display sharply distinct seasonal profiles in Belém, northern Brazil
Siqueira, Jones Anderson Monteiro; Linhares, Alexandre da Costa; Gonçalves, Maryelle dos Santos; de Carvalho, Thaís Cristina Nascimento; Justino, Maria Cleonice Aguiar; Mascarenhas, Joana D’Arc Pereira & Gabbay, Yvone Benchimol


Several viruses have been associated with acute gastroenteritis (AGE), and group A rotavirus (RVA) and nor- ovirus (NoV) are the most prevalent. This study aimed to assess their prevalence among children hospitalised for diarrhoea during a three-year surveillance study. From May 2008-April 2011, overall positivity rates of 21.6% (628/2904) and 35.4% (171/483) were observed for RVA and NoV, respectively. The seasonality observed indicated distinct patterns when both viruses were compared. This finding may explain why hospitalisation for AGE remains constant throughout the year. Continuous AGE monitoring is needed to better assess the patterns of infection.

rotavirus; norovirus; seasonality

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