Assuming an individual does not do anything it can require a couple of years to create resistance to HPV. If someone takes the author's suggestions, it takes just a couple of months to create immunity to HPV virus. The longer a person is infected with HPV virus, the longer it might create cervical damage. So it is preferred to create immunity and remove human papilloma virus as quickly as reasonable.
http://judahevxx660.almoheet-travel.com/the-worst-videos-of-all-time-about-high-grade-cervical-dysplasia-hysterectomy