HPV Vaccine Effectiveness Study in Rwandan Women Living With HIV

Inclusion Criteria: * Female * 18-28 years. The age of inclusion criteria will likely be restricted as age-specific enrollment goals are met. * Physically and mentally able and willing to participate in the study. * Willing to provide written and signed or thumb printed, informed consent. * Known to be living with HIV (i.e., enrolled in a treatment program), or consent to HIV testing to confirm HIV status. Exclusion Criteria: * Have positive pregnancy test or report to be pregnant at the time of visit or less than 6 weeks post-partum (will be asked to make an appointment 6 or more weeks post-partum) * Report to be menstruating at the time of visit (will be asked to make new appointment) * History of hysterectomy and no longer have a cervix * History of treatment for cervical abnormalities after cervical screening * History of cervical cancer * Report no previous sexual activity * HIV status is unknown, and date of birth is 12/31/1995 or earlier * Because this study has age-specific enrollment goals for WLWH and HIV\[-\] women, once those enrollment goals are met for each study group, the respective cohorts will be closed and other eligible women will be excluded.