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FRIDAY, May 18 (HealthDay News) -- Amid the controversy around mandated vaccination of young girls against the human papillomavirus (HPV), some experts are beginning to wonder whether the shot should also be given to boys.
While males cannot get HPV-linked cervical cancer, they make up half of the equation when it comes to spreading the sexually transmitted virus. And a new study released last week shows that the virus is also a leading cause of throat cancer, which affects both sexes.
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"This is a viral infectious process, and the majority of the time it is passed through heterosexual contact. And I think it's important to consider boys as equal players in that process," said Dr. Michael Bookman, director of medical gynecologic oncology at Fox Chase Cancer Center in Philadelphia.
"Boys are not as prone to [HPV-linked] cancer as girls, but they are obviously involved in the transmission, and there is some risk of cancer in boys, as well," he added.
No one is debating the effectiveness of the vaccine, called Gardasil. The shot is targeted against the four strains (out of 15) of HPV that are thought to trigger 70 percent of cervical cancers.
Since its approval for use in girls and women between the ages of 9 and 26 by the U.S. Food and Drug Administration last June, several states have moved to mandate Gardasil's inclusion into routine school vaccination programs. That's because vaccinating before the onset of sexual activity is most effective in preventing HPV infection.
Those efforts have met with strong opposition, however. Some conservative groups worry the vaccine will encourage sex among young people, while other critics view the mandates as an intrusion on parental rights. Most state measures do give parents the right to opt out of the program, however.
So far, those debates have centered on young girls. But, in more rare instances, boys and men can fall prey to HPV as well. Reporting last week in the New England Journal of Medicine, a team of researchers at Johns Hopkins University confirmed that infection with HPV via oral sex is by far the leading cause of throat cancer, which strikes 11,000 American men and women each year. HPV is also a major cause of anal cancer and genital warts, both of which affect either sex.
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