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Fig. 2 | BMC Infectious Diseases

Fig. 2

From: Genetic structures of invasive Streptococcus pneumoniae isolates from Korean children obtained between 1995 and 2013

Fig. 2

Sequence type changes in the main genotypes CC320 (a), CC81 (b), and CC166 (c) across the study periods. In CC320, serotype 19A increased from 52.9 to 64.6%, and then to 92.0% (a). In CC81, serotype 23F decreased significantly, whereas serotypes 6A, 13, and 15A increased (b). The proportions of serotypes 9 V and 11A crossed over into CC166 during the study periods (c). PCV, pneumococcal conjugate vaccine; MLST, multilocus sequence typing; CC, clonal complex; S, singleton

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