以下是引用snowdrift在2008-11-20 14:03:00的发言：
There are hundreds of different HPVs, the vaccination only help to prevent several of them which might cause STDs.
HPV 16 and HPV 18 are the most common high risk HPVs that cause cervical caner. Most other kinds of HPV are considered low risk and some of them cause wart in your skin. There are hundreds of different HPVs, the vaccination only help to prevent several of them which might cause STDs.
