Changes in (risk) behavior and HPV knowledge among Dutch girls eligible for HPV vaccination; an observational cohort study Institute of Tropical Medicine
Background: Implementation of human papillomavirus (HPV) vaccination raised concerns that vaccination could lead to riskier sexual behavior. This study explored how possible differences in sexual behavior and HPV knowledge developed over time between HPV-vaccinated and unvaccinated girls.
Methods: A random sample of 19,939 girls (16-17 year olds) eligible for the catch-up HPV vaccination campaign in the Netherlands was invited for a ...