Figure 1
From: Fatal H5N6 Avian Influenza Virus Infection in a Domestic Cat and Wild Birds in China
Phylogenetic tree of the hemagglutinin (HA) genes of influenza A (H5N6) viruses, China, 2014. Triangles indicate viruses characterized in this study. Other H5N6 viruses are indicated in circles. Horizontal branch lengths are proportional to genetic distances. Scale bar indicates nucleotide substitutions per site.
