Fig. 2: A NINJA NJ GrapeTree showing the population structure of the Shigella S1 cluster (HC2000_1465).

This subtree is based on the tree shown in Fig. 1. The tree nodes are colour-coded by serogroup. The numbers within nodes indicate the serotype. HC1100 designation is indicated next to each subcluster. Novel and provisional (prov.) Shigella serotypes are also shown. NST non-serotypeable. The scale bar indicates the number of cgMLST allelic differences.