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Population snapshot of 509 S. pneumoniae isolates. An eBURST group definition of six of seven shared alleles was used. The lines connect SLVs, gray dots represent the primary founders of the CG, and numbers refer to STs. The sizes of the dots reflect the number of isolates. The PMEN clones identified are ST9 (England14-9), ST177 (Portugal19F-21), ST236 (Taiwan19F-14), ST242 (Taiwan23F-15), and ST338 (Colombia23F-26).
