Human papillomavirus is a highly prevalent sexually transmitted infection. Prior to vaccination programs, 1 large study of US female individuals documented an overall HPV prevalence of 26.8%, with the highest prevalence of 44.8% in women aged 20 to 24 years.1 Although many HPV infections are transient and asymptomatic, HPV types 6 and 11 cause about 90% of genital warts. Types 16, 18, 31, 33, 45, 52, and 58 are considered high-risk oncogenic types and are responsible for an estimated 44 000 US cases of cancer each year. HPV causes 90% of US cervical cancers and 70% of US oropharyngeal cancers, and less commonly, anal, vaginal, vulvar, and penile cancer.2
Oshman LD, Davis AM. Human Papillomavirus Vaccination for Adults: Updated Recommendations of the Advisory Committee on Immunization Practices (ACIP). JAMA. Published online January 13, 2020. doi:10.1001/jama.2019.18411
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