Disparities in Human Papillomavirus Vaccine Series Initiation Among Adolescent Girls Enrolled in Florida Medicaid Programs, 2006-2008

This study expands the understanding of HPV vaccine initiation to low-income adolescents eligible for free vaccine through the Federal Vaccine for Children program. Increased understanding of reasons for the observed differences, especially by program and race/ethnicity, will aid in developing interventions to improve HPV vaccine initiation.