Figure 1From: Age is not a determinant factor in susceptibility of broilers to H5N2 clade 2.3.4.4 high pathogenicity avian influenza virus Relaxed clock molecular phylogenetic tree for H5 clade 2.3.4.4 HPAI viruses in the US. At each node, the number indicates a posterior probability. Blue branches represent the Midwest H5N2 cluster. The virus used in this study, A/turkey/Minnesota/12582/2015 (H5N2), is colored in red.Back to article page