Genetic Characterization of Peste des Petits Ruminants Virus, Sierra Leone
Figure. Majority rule consensus tree of peste des petits ruminants viruses (PPRV) based on the variable region of the N gene (255 bp), constructed using the neighbor-joining method and the Kimura-2-parameter model in MEGA5 (www.megasoftware.net). Numbers indicate the bootstrap values (2,000 replicates); only values >70% are shown. Horizontal distances are proportional to sequence distances. The figure indicates a clear division of the 4 lineages of PPRV and the sequences obtained in this study clustered in lineage II and are marked with black squares. Scale bar indicates nucleotide substitutions per site.