Epidemiological diversity of seasonal influenza and post-COVID-19 pandemic changes in the UK, 2015-2025: a surveillance-based analysis.

BMC Public Health · 2026 · PMC12952139 · PMID 41629850

Europe PMC DOI

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did not reach statistical significanceno p-value reported

Overall, although the onset week and offset week advanced and epidemic duration shortened in the post-pandemic period, these changes did not reach statistical significance.

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a decreasing trendno p-value reported

The aggregated peak positivity for influenza B has exhibited a decreasing trend in the post-COVID-19 pandemic period, though this trend is statistically significant only in Scotland (37.6% vs. 10.8%) and Wales (26.8% vs. 11.7%).

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Quoted from the open-access full text in Europe PMC under the licence the publisher applied. The sentence is reproduced exactly as published; the emphasis is ours.