Article
Within-Host Evolution Results in Antigenically Distinct GII.4 Noroviruses
20 Mar 2014
Abstract excerpt
UNLABELLED: Genogroup II, genotype 4 (GII.4) noroviruses are known to rapidly evolve, with the emergence of a new primary strain every 2 to 4 years as herd immunity to the previously circulating strain is overcome. Because viral genetic diversity is higher in chronic than in acute infection, chronically infected immunocompromised people have been hypothesized to be a potential source for new epidemic GII.4...
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