Assuming an individual does not do anything it might require a few years to develop immunity to HPV virus. If somebody follows the author's recommendations, it requires just a couple of months to generate immunity to human papilloma virus. The longer someone is infected with HPV virus, the more likely it might cause cervical damage. So it is best to create immunity so as to get rid of HPV as soon as possible.
http://claytoncwet231.simplesite.com/446101419