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[Preprint]. 2024 May 22:2023.10.02.23296453. Originally published 2023 Oct 3. [Version 2] doi: 10.1101/2023.10.02.23296453

PMC10593063.1; 2023 Oct 3
PMC10593063.2; 2024 May 22

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This article is a US Government work. It is not subject to copyright under 17 USC 105 and is also made available for use under a CC0 license.

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Figure 7 – table supplement 1. — We defined influenza A virus (IAV) subtype dominance in each season based on the proportion of IAV positive samples typed as A(H3N2). We categorized seasons as A(H3N2) or A(H1N1) dominant when ≥ 70% of IAV positive samples were typed as one IAV subtype. We used two-sided Wilcoxon rank-sum tests to compare the distributions of epidemic timing metrics between A(H3N2) and A(H1N1) dominant seasons. Abbreviations: EW40 = epidemic week 40 (the start of the influenza season); s.d. = standard deviation.