Molecular epidemiology and spatiotemporal dynamics of norovirus associated with sporadic acute gastroenteritis during 2013-2017, Zhoushan Islands, China.

PLoS One · 2018 · PMC6051660 · PMID 30021022

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an increasing trendno p-value reported

However, the χ 2 trend test showed an increasing trend, The infection rate has increased since 2014, the infection rates significantly different between 2014 from 2015.

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