Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Definitions of vaccination status and subgroups, based on age of first dose of human papillomavirus (HPV) vaccine and number of doses received relative to HPV immunization schedule for given birth cohort at time of eligibility for vaccination. Abbreviations: BC, British Columbia; CIN, cervical intraepithelial neoplasia; HSIL, high-grade squamous intraepithelial lesion.
