Epidemiology and clinical features of SARS-CoV-2 infection in hospitalized children across four waves in Hungary: A retrospective, comparative study from March 2020 to December 2021.

Health Sci Rep · 2022 · PMC9679239 · PMID 36425898

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showed a trendno p-value reported

PCA biplot (Figure 2C ) showed a trend in the prevalence of symptoms with increasing age.

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