Fig. 1From: Characterization of four vaccine-related polioviruses including two intertypic type 3/type 2 recombinants associated with aseptic encephalitisPhylogenetic trees based on the P1, P2, P3 and 3D genomic regions generated by the neighbor-joining algorithm implemented in MEGA (version 6.06) using the Kimura two-parameter substitution model and 1,000 bootstrap pseudo-replicates. â–˛strains isolated in this investigation; â—Ź other PV3 strainsBack to article page