Volume 25, Number 12—December 2019
Research Letter
Laboratory-Confirmed Avian Influenza A(H9N2) Virus Infection, India, 2019
Figure

Figure. Phylogenetic tree of hemagglutinin gene (A) and neuraminidase gene (B) gene of influenza virus A/India/TCM 2581/2019(H9N2) from India (black circle) and reference strains. The numbers above the branches are the bootstrap probabilities (%) for each branch, determined by using MEGA 7.0 (https://megasoftware.net). Human cases from other countries are in bold. Scale bars indicate nucleotide substitutions per site.