Since I've posted this I've heard now that the second shot causes a substantial amount of protection after a couple of months. I would still suggest the 6 month mark, for those who are incredibly cautious about catching HPV.
Hi, just an update. I talked to my nurse practitioner today and she told me that studies show by the second shot, 82% of the tested were fully immunized and the third served as a booster.
As far as I know you must complete the series of shots and wait 6 months for them to be fully effective.