Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Oropharyngeal human papillomavirus (HPV) prevalence in unvaccinated females, vaccinated females, and unvaccinated males aged 12–14 years, by vaccination status and HPV type. P values represent comparisons to unvaccinated females using Pearson χ2 test or Fisher exact test. Abbreviation: HPV, human papillomavirus.
