Volume 22, Number 1—January 2016
Research
Human Papillomavirus Prevalence and Herd Immunity after Introduction of Vaccination Program, Scotland, 2009–2013
Figure

Figure. Analyses for 5,715 liquid-based cytology cervical samples from vaccinated and nonvaccinated women, for which valid human papillomavirus (HPV) testing results were available, Scotland, 2009–2013. A) Proportion and 95% CIs for samples with positive results for each HPV type. B) Difference in the proportion positive and associated 95% CIs for the difference between vaccinated and nonvaccinated women, by HPV type. Other than HPV types 16 and 18, the 95% CIs of the difference were corrected for multiple testing using by using the Bonferroni correction. *Significant change.