== Invasiveness rate ratios by serotype, sorted by increasing variance
== Invasiveness rate ratios by serotype, sorted by increasing variance. == Carriage Risk Factors == Risk element analyses for pneumococcal carriage are summarized inTable 4. serotype (NVT) increased by 15.9% (95% CI, 12.4%19.3%). No significant modify was recognized in serotype-specific invasive potential after PCV7 intro. Conclusions.Pneumococcal carriage prevalence decreased in all ages since PCV7 introduction;…