Engaging Practices and Communities in the Development of Interventions to Promote HPV Vaccine Uptake

Inclusion Criteria: All child patients who have received health supervision at participating practices during the 12 month prior to intervention and the 12 month following intervention implementation, who are ages 9-26 years, and whose parents have not requested removal from the Colorado Immunization Information System (CIIS) will be eligible for the assessment of practice immunization rates in the pre and post periods. Exclusion Criteria: * No subjects will be excluded because of gender, ethnicity, or insurance status. * Any child whose parents have requested removal from the immunization registry; any child with hypersensitivity to any component of one of the recommended vaccines; any child who has moved to a primary care provider other than one at the study clinics.