Serotype replacement and multiple resistance in Streptococcus pneumoniae after the introduction of the conjugate pneumonococcal vaccine.

Serotype replacement and multiple resistance in Streptococcus pneumoniae after the introduction of the conjugate pneumonococcal vaccine. by Mera R, Miller LA, Fritsche TR and Jones RN published in Microb. Drug Resist. 2008; 14 (2): 101-107