Key result
Norovirus was detected in 33.3% of children with and without gastroenteritis, with genotype GII.4 being the most predominant strain (60.6% of sequenced strains).
Population
234 children with or without gastroenteritis in São Paulo State, Brazil
Design
Cross-sectional
Authors
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Norovirus carriage in asymptomatic Brazilian children may confound gastroenteritis etiology; leaves open need for longitudinal studies on GII.4 burden.
Cross-Sectional (n=234)
Yes
Norovirus is highly prevalent (33.3%) among children in São Paulo, Brazil, with a predominance of the GII.4 genotype and evidence of mixed infections and potential recombinant strains.
Castilho et al. (2006) conducted a cross-sectional in Acute gastroenteritis (n=234). Norovirus was evaluated on Detection of Norovirus RNA. Norovirus was detected in 33.3% of children with and without gastroenteritis, with genotype GII.4 being the most predominant strain (60.6% of sequenced strains).
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