If a person does not do anything it can require a couple of years to generate immunity to human papilloma virus. If one follows the author's advice, it requires just a couple of months to develop resistance to HPV. The longer somebody is infected with human papilloma virus, the longer it might cause cervical damage. So it is ideal to develop resistance so as to get rid of HPV virus as quickly as reasonable.
http://connerekhm719.bravesites.com/entries/general/how-to-outsmart-your-peers-on-abnormal-pap-hpv-colposcopy