Fig. 1From: Valine/isoleucine variants drive selective pressure in the VP1 sequence of EV-A71 enterovirusesPhylogenetic analysis of partial VP1 sequences. a Phylogenetic analysis of the nucleic acid sequences.Tree was designed using Maximum Likelihood. Color code: Black: VVV; Light blue: VII; Yellow: IIV; Purple: VIV; Dark blue: VVIBack to article page