Quote:
Originally Posted by kddani
Well, it's not too late, but that is the most effective. It protects against several strains of HPV. And I believe it's only good for like four years so you'll have to get them redone anyway.
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It protects against 6 and 11, which cause genital warts, and 16 and 18, which are two of the most virulent cancer-causing strains.
As of now, they've confirmed the vaccine's effectiveness for up to four years. They don't know how long it lasts past four years, because the study was only four years long, so to cover their rear ends in case it doesn't last longer, they recommend boosters.