Decrease in the cumulative probability (%) of HPV16/18 infection by age 35. Legend: We report median and corresponding interquartile range (vertical bars), in the 2002-born women according to increase (%) in vaccinated individuals. Levels of vaccination coverage of 11-year-old girls and boys are also reported above or below the curves. Reference: baseline vaccination programme (11-year-old girls vaccination only: coverage 65%; no catch-up vaccination). HPV: human papillomavirus.