http://www.cdc.gov/std/hpv/stdfact-hpv.htm
What is HPV?
HPV is the most common sexually transmitted infection (STI). HPV is a different virus than HIV and HSV (herpes). HPV is so common that nearly all sexually active men and women get it at some point in their lives. There are many different types of HPV. Some types can cause health problems including genital warts and cancers. But there are vaccines that can stop these health problems from happening.
虽然大过节的看到这种帖子真够恶心人的,但是也长了些知识,知道世界上可恶之人可恶之事无处不在无奇不有 。。。