Volume 22, Number 3—March 2016
Dispatch
Highly Pathogenic Avian Influenza A(H5N8) Viruses Reintroduced into South Korea by Migratory Waterfowl, 2014–2015
Figure 2

Figure 2. Temporally structured maximum clade credibility phylogenetic tree (years shown on the horizontal axis) of the hemagglutinin gene of highly pathogenic avian influenza (H5 clade 2.3.4.4) viruses. Yellow, group A; green, group B. Branches of group A are colored according to the origin of the sample: purple, isolates from poultry farms (South Korea); blue-green, icA2 (North America, Japan); green, icA1 (Europe, South Korea, Japan); red, icA3 (South Korea, Japan).
1These authors contributed equally to this article.