Volume 20, Number 7—July 2014
Research
Changes in Capsule and Drug Resistance of Pneumococci after Introduction of PCV7, Japan, 2010–2013
Figure 2

Figure 2. Changes in serotype number and penicillin resistance according to genotype, Japan, April 2010–March 2013gPSSP, genotypic penicillin-susceptible Streptococcus pneumoniae; gPISP, genotypic penicillin-intermediate resistant Spneumoniae; gPRSP, penicillin-resistant SpneumoniaeThe parentheses express abnormal pbp gene mediating penicillin resistance2010 indicates first surveillance period (April 2010–March 2011); 2011 indicates second surveillance period (April 2011–March 2012); 2012 indicates third surveillance period (April 2012–March 2013).