Fig. 1From: Clinical and molecular epidemiological features of critically ill patients with invasive group A Streptococcus infections: a Belgian multicenter case-seriesMaximum likelihood phylogenetic tree constructed from core SNPs of the 40 emm1 S. pyogenes isolates, with MGAS5005 as reference, differentiating between the M1global and M1UK lineage. Green: adult (n = 24), red: pediatric (n = 16) strainsBack to article page