作者: Jenine Leal , Otto G. Vanderkooi , Deirdre L. Church , Judy MacDonald , Gregory J. Tyrrell
DOI: 10.1097/INF.0B013E3182624A40
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摘要: Background:The seven-valent pneumococcal conjugate vaccine (PCV7) was licensed in Canada 2001. Routine infant vaccination programs Alberta began 2002. Several years after PCV7 introduction, the routine use of infants and high-risk children has led to near elimination invasive pne