Can you provide evidence for this? As far as I know, boys can't get cancer from HPV. I hadn't even heard of this virus until last year
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From the Mayo Clinic:
In men, genital HPV infection is considered a major cause of penis (penile) cancer. It is also associated with cancer of the anus and other genital cancers. These cancers are most common in males with HIV infection. In addition, HPV has been linked to oropharyngeal cancer. The oropharynx is the part of the throat just behind the mouth.
http://www.mayoclinic.com/health/HPV/AN01309/Penile cancer? How obscure. I've never heard of it.
And someone else was claiming that it was dangerous to get the vaccine if you were infected by HPV. Since boys are the ones who have the virus in the first place, would that not be dangerous?