Volume 20, Number 7—July 2014
Research
Changes in Capsule and Drug Resistance of Pneumococci after Introduction of PCV7, Japan, 2010–2013
Figure 4

Figure 4. Changes in serotype number and macrolide resistance of Streptococcus pneumoniae strains according to genotype, Japan, April 2010–March 2013MLS, macrolide-susceptible strains not possessing any resistance gene; MLR-mef(A), macrolide-resistant strain possessing the mef(A) gene; MLR-erm(B), macrolide-resistant strain possessing the erm(B) gene; MLR-mef(A)+erm(B), macrolide-resistant strain possessing both mef(A) and erm(B) genes.