The Pediatric infectious disease journal · 2007
Prevalence of human papillomavirus in the oral cavity/oropharynx in a large population of children and adolescents.
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Smith Elaine M, Swarnavel Sandhya, Ritchie Justine M, Wang Donghong, Haugen Thomas H, Turek Lubomir P
Аннотация
OBJECTIVE: Human papillomavirus (HPV) in the oral cavity or oropharynx is associated with an increased risk of laryngeal papillomatosis, head and neck cancer, and cervical and other genital cancers. We evaluated the prevalence of HPV DNA in the oral cavity/oropharynx in a cross section of children aged 2 weeks to 20 years.
METHODS: A risk factor questionnaire and oral exfoliated cells were collected from children (N = 1235). HPV DNA was detected using PCR, dot blot hybridization, and DNA sequencing.
RESULTS: The HPV prevalence was 1.9% in the oral cavity/oropharynx of children. A bimodal age distribution was observed with the highest HPV prevalence in the youngest and oldest groups: 2.5% aged <1 year, 0.8% aged 1 to 4 years, 1.2% aged 5 to 11 years, 1.5% in aged 12 to 15 years, and 3.3% in aged 16 to 20 years. The prevalence of the HPV quadrivalent vaccine types (HPV-6, 11, 16, 18) reached 0.9% in the 16- to 20-year age group. In this age group, female gender [odds ratio (OR): 6.9, P = 0.04], genital warts (OR: 19.3, P < 0.01), and current smoker (OR: 6.5, P = 0.01) were associated with a higher risk of being detected with an oral HPV infection. No risk factors in parents were identified with transmission of HPV to infants.
CONCLUSIONS: The age-specific prevalence rates of HPV in this large cross section of children and adolescents demonstrate that HPV infection is acquired gradually in childhood. These data support a target age for HPV vaccination before puberty to prevent serious HPV-related genital and oral diseases.
METHODS: A risk factor questionnaire and oral exfoliated cells were collected from children (N = 1235). HPV DNA was detected using PCR, dot blot hybridization, and DNA sequencing.
RESULTS: The HPV prevalence was 1.9% in the oral cavity/oropharynx of children. A bimodal age distribution was observed with the highest HPV prevalence in the youngest and oldest groups: 2.5% aged <1 year, 0.8% aged 1 to 4 years, 1.2% aged 5 to 11 years, 1.5% in aged 12 to 15 years, and 3.3% in aged 16 to 20 years. The prevalence of the HPV quadrivalent vaccine types (HPV-6, 11, 16, 18) reached 0.9% in the 16- to 20-year age group. In this age group, female gender [odds ratio (OR): 6.9, P = 0.04], genital warts (OR: 19.3, P < 0.01), and current smoker (OR: 6.5, P = 0.01) were associated with a higher risk of being detected with an oral HPV infection. No risk factors in parents were identified with transmission of HPV to infants.
CONCLUSIONS: The age-specific prevalence rates of HPV in this large cross section of children and adolescents demonstrate that HPV infection is acquired gradually in childhood. These data support a target age for HPV vaccination before puberty to prevent serious HPV-related genital and oral diseases.