Analysis of complete capsid sequences of the emerging norovirus GII.17 Kawasaki 308 from 13 countries demonstrated that they originated from a single haplotype since the initial emergence in China in late 2014. Global spread of a sublineage SL2 was identified. A new sublineage SL3 emerged in China in 2016.
Keywords: Australia; Canada; China; Germany; Hong Kong; Hungary; Italy; Japan; New Zealand; Romania; Russia; Slovenia; South Africa; South Korea; Taiwan; Thailand; United States; basal haplotype; diversification; norovirus; sublineage; the Netherlands; transmission; viruses.