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dc.contributor.authorDonato, C.
dc.contributor.authorCowley, D.
dc.contributor.authorSnelling, Thomas
dc.contributor.authorAkopov, A.
dc.contributor.authorKirkness, E.
dc.contributor.authorKirkwood, C.
dc.identifier.citationDonato, C. and Cowley, D. and Snelling, T. and Akopov, A. and Kirkness, E. and Kirkwood, C. 2014. Characterization of a G1P[8] rotavirus causing an outbreak of gastroenteritis in the Northern Territory, Australia, in the vaccine era. Emerging Microbes and Infections. 3.

In 2010, a large outbreak of rotavirus gastroenteritis occurred in the Alice Springs region of the Northern Territory, Australia. The outbreak occurred 43 months after the introduction of the G1P[8] rotavirus vaccine Rotarix®. Forty-three infants were hospitalized during the outbreak and analysis of fecal samples from each infant revealed a G1P[8] rotavirus strain. The outbreak strain was adapted to cell culture and neutralization assays were performed using VP7 and VP4 neutralizing monoclonal antibodies. The outbreak strain exhibited a distinct neutralization resistance pattern compared to the Rotarix® vaccine strain. Whole genome sequencing of the 2010 outbreak virus strain demonstrated numerous amino acid differences compared to the Rotarix® vaccine strain in the characterized neutralization epitopes of the VP7 and VP4 proteins. Phylogenetic analysis of the outbreak strain revealed a close genetic relationship to global strains, in particular RVA/Human-wt/BEL/BE0098/2009/ G1P[8] and RVA/Human-wt/BEL/BE00038/2008/G1P[8] for numerous genes. The 2010 outbreak strain was likely introduced from a globally circulating population of strains rather than evolving from an endemic Australian strain. The outbreak strain possessed antigenic differences in the VP7 and VP4 proteins compared to the Rotarix® vaccine strain. The outbreak was associated with moderate vaccine coverage and possibly low vaccine take in the population. © 2014 SSCC. All rights reserved.

dc.publisherNature Publishing Group
dc.titleCharacterization of a G1P[8] rotavirus causing an outbreak of gastroenteritis in the Northern Territory, Australia, in the vaccine era
dc.typeJournal Article
dcterms.source.titleEmerging Microbes and Infections
curtin.departmentSchool of Public Health
curtin.accessStatusOpen access via publisher

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