Phylogenetic trees of enterovirus A71 (a) and echovirus 30 (b) were constructed with 7,658 and 1,297 worldwide reported strains, respectively, including 16 strains of EV-A71 and 22 strains of E30 from Uruguay and Argentina reported by us. Clades were collapsed and named according to previously established classification in different lineages. SH-aLRT support values are shown at branches. Each tree is midpoint rooted. For echovirus 30, lineages described by Lema et al. 2019 [35] as extinct were excluded. Bars at the bottom denote genetic distance. Clades containing sequences from this study were highlighted.