Volume 23, Number 6—June 2017
Dispatch
Penicillin Resistance of Nonvaccine Type Pneumococcus before and after PCV13 Introduction, United States
Figure 1

Figure 1. Comparison of proportion of nonvaccine type serotypes with penicillin resistance, by serotype, United States, 2009 and 2012. Based on Active Bacterial Core surveillance system data from 10 US states. The dashed diagonal line represents no change.
1These first authors contributed equally to this article.
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