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. 2019 May 6;374(1775):20180257. doi: 10.1098/rstb.2018.0257

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© 2019 The Authors.

Published by the Royal Society under the terms of the Creative Commons Attribution License http://creativecommons.org/licenses/by/4.0/, which permits unrestricted use, provided the original author and source are credited.

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Figure 5. — Time-scaled tree of a stratified subsample of H5 segment 4 (HA). The tree represents the known diversity of LPAI (blue branches) and HPAI (red branches). Tips are represented as circles and coloured by neuraminidase subtype from H5N1 (red) to H5N9 (magenta).