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. 2010 Jan 11;54(3):1152–1159. doi: 10.1128/AAC.01268-09

FIG. 1.

FIG. 1.

Population structure of 102 erythromycin-resistant S. pneumoniae isolates. Relationships between sequence types (ST) of 102 erythromycin-resistant S. pneumoniae isolates were demonstrated using eBURST v3. Three groups were defined using stringent criteria (6/7 shared alleles). Two were identified as clonal complexes (CC): CC-271 and CC-15. The predicted clonal ancestor of CC-271 is shown in blue (ST-271), and a subgroup founder is shown in yellow (ST-236). Most of the isolates in each of the CCs belonged to single serotypes (st): CC-271, serotype 19F, and CC-15, serotype 14.