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ML HA phylogeny of IBV strains sampled across the world between 2014 and 2016. (a) B/Victoria lineage (n = 481), (b) B/Yamagata lineage (n = 743). The taxa are shown as filled circles and are coloured differently for each geographic origin of the sample by continent. The newly sequenced Kilifi genomes are shown in a bright green colour and the major Kilifi clusters labelled (KLF-1–KLF-6).
