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. 2024 Feb 5;9(2):550–560. doi: 10.1038/s41564-023-01587-5

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© The Author(s) 2024

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.

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Fig. 4 — Comparison of the geography lineage designation (left tree) with the automated lineage designation (right tree) of CHIKV, based on a tree previously generated by the Augur pipeline²³ and visualized on FigTree v.1.4.4. The CHIKV geographic nomenclature includes AUL (Asian Urban Lineage), AUL-Am (Asian Urban Americas), EAL (East African Lineage), IOL (Indian Ocean Lineage), MAL (Middle African Lineage), SAL (South American Lineage), ECSA (East Central and South African Lineage) and WA (West African Lineage).