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[Comment] Expanding the benefits of HPV vaccination to boys and men

Human papillomavirus (HPV) is the most common sexually transmitted infection. It affects 80% of the population, with the initial infection usually occurring between 15 and 24 years of age. Persistent infection with high-risk oncogenic HPV genotypes, primarily types 16 and 18, is the cause of almost all cervical cancers.1 HPV is also thought to cause about 95% of anal cancers, 75% of oropharyngeal cancers, 75% of vaginal cancers, 70% of vulvar cancers, and 60% of penile cancers.2 Low-risk or non-oncogenic genotypes (eg, types 6 and 11) cause anogenital warts, low-grade cervical disease, and recurrent respiratory papillomatosis.