Volume 10, Number 11—November 2004
Evaluating Human Papillomavirus Vaccination Programs
|Cohort||% reduction in lifetime risk of cervical cancer|
|Full potential of program in 12-year-old girls||64|
|First cohort of 12-year-old girls vaccinateda||46|
|24-year-old women who receive catch-up vaccinationb||35|
|30-year-old women who receive catch-up vaccinationb||17|
aThis group experiences a lower reduction in cancer cases because many of their sex partners will be drawn from a population pool that has not been vaccinated.
b24- or 30-year-old women who opt for catch-up vaccination in the first year that the vaccine becomes available.