A new recombinant norovirus GII.P16-GII.2 outnumbered pandemic GII.4 as the predominant GII genotype in the winter of 2016-2017 in Hong Kong, China. Half of hospitalized case-patients were older children and adults, including 13 young adults. This emergent norovirus targets a wider age population compared with circulating pandemic GII.4 strains.

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5652449PMC
http://dx.doi.org/10.3201/eid2311.170561DOI Listing

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