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. 2024 Feb 14;98(3):e01703-23. doi: 10.1128/jvi.01703-23

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Fig 1 — Summary of change in predominant internal gene constellation showed a shift from TRIG to pdm lineage NP over time. (A) Time-scaled phylogenetic tree of H3 1990.4.a IAV from 2010 to 2021. Chosen clade representative viruses, NC/19 and MN/18, are represented by an “X” on the tree. When possible, strains are colored by their internal gene constellation. (B) Frequency of detection of the most common internal gene constellations in H3 1990.4.a IAV from 2016 to 2021. (C) Frequency of detection of the most common internal gene constellation in all IAV clades from 2016 to 2021. The “other” category in (B) and (C) includes any gene constellations not explicitly listed.