Key result
Genotype-specific herd immunity lasted long enough to influence the endemic norovirus genotype in the next season during a 10-year prospective surveillance study.
Population
Individuals with acute gastroenteritis in the province of Osaka, Japan
Design
Cohort
Follow-up
10 years
Authors
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May guide norovirus surveillance and vaccine strain selection; hypothesis-generating for genotype-specific immunity effects.
Cohort
Yes
This 10-year surveillance study demonstrates that norovirus circulates dynamically, with genotype-specific herd immunity influencing subsequent seasonal endemic genotypes.
Sakon et al. (2014) conducted a cohort in Viral acute gastroenteritis. Genotype-specific herd immunity was evaluated on Endemic norovirus genotype transition. Genotype-specific herd immunity lasted long enough to influence the endemic norovirus genotype in the next season during a 10-year prospective surveillance study.
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