Cox, M. J., Azevedo, R. S., Nokes, D. James, Beards, G. M., McCrae, Malcolm A., Massad, Eduardo and Medley, Graham. (1998) Seroepidemiology of group A rotavirus in suburban São Paulo, Brazil. Epidemiology and Infection, Vol.120 . pp. 327-334. ISSN 0950-2688

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Abstract

Age-specifc patterns of rotavirus infection were investigated using a randomly selected and representative sample of sera from a suburban community of São Paulo, Brazil screened for class-specifc antibodies to group A rotavirus. Age-serology of anti-rotavirus IgG showed primary infection predominant in young infants with a median age of around 18 months consistent with IgM serology suggesting highest rates of recent infection between ages 4 and 48 months. Anti-rotavirus serum IgA prevalence increased gradually with age. Paired samples from infants, collected 1 month apart, indicated high exposure rates with seroconversion occurring in several infants during the reported low transmission season. Between 5 and 10% of adults had elevated IgM levels indicative of recent infection and, potentially, of an important contribution adults may play to rotavirus transmission. Further understanding of the dynamics of rotavirus transmission within populations, at group and serotype level, would benefit the design and monitoring of future immunization programmes.

Item Type:	Journal Article
Subjects:	Q Science > QR Microbiology > QR355 Virology
Divisions:	Faculty of Science > Life Sciences (2010- ) > Biological Sciences ( -2010)
Library of Congress Subject Headings (LCSH):	Rotaviruses -- Brazil -- São Paulo (State), Rotavirus infections -- Brazil -- São Paulo (State)
Journal or Publication Title:	Epidemiology and Infection
Publisher:	Cambridge University Press
ISSN:	0950-2688
Date:	1998
Volume:	Vol.120
Page Range:	pp. 327-334
Identification Number:	10.1017/S0950268898008759
Status:	Peer Reviewed
Access rights to Published version:	Open Access
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URI:	http://wrap.warwick.ac.uk/id/eprint/3019

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