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. 2016 Dec;22(12):2185–2188. doi: 10.3201/eid2212.160805

Figure 2.

Figure 2

St. Louis encephalitis virus phylogeny with 2015 California (USA CA) and 2014 and 2015 Arizona (USA AZ) genomes (black circles). Complete nucleotide genomes (except for isolate 2282, which included only the E gene) were compared by using a neighbor-joining algorithm and 1,000 bootstrap replicates (support numbers at nodes) by using MEGA 7 (14). Isolates are named according to location, year of isolation, strain name for 2014 and 2015 isolates, and GenBank accession number. Scale bar indicates nucleotide substitutions per site.