A genome-based survey of invasive pneumococci in Norway over four decades reveals lineage-specific responses to vaccination

Abstract excerpt

BACKGROUND: Streptococcus pneumoniae is a major cause of mortality globally. The introduction of pneumococcal conjugate vaccines (PCVs) has reduced the incidence of the targeted serotypes significantly, but expansion of non-targeted serotypes, serotype replacement, and incomplete vaccine-targeting contribute to pneumococcal disease in the vaccine era. Here, we characterize the changing population genetic...

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