Prevalence of Human Papillomavirus Genotypes in Unvaccinated 16- to 20-Year-Old Men in Quebec, Canada - Takeaways - MDSpire

Prevalence of Human Papillomavirus Genotypes in Unvaccinated 16- to 20-Year-Old Men in Quebec, Canada

  • By

  • Catherine Wolfe

  • Iulia Gabriela Ionescu

  • Marie-Hélène Mayrand

  • François Coutlée

  • Chantal Sauvageau

  • February 21, 2025

  • 0 min

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  • 1

    Quebec's HPV vaccination program achieved over 90% coverage in girls by age 15, initiating in 2008 and later including boys and MSM.

  • 2

    A study from 2020 to 2022 found an HPV prevalence of 18.4% among unvaccinated males aged 16 to 20 in Quebec.

  • 3

    Only 0.5% of participants harbored a quadrivalent HPV-targeted genotype, indicating strong herd immunity among young adults.

  • 4

    Factors associated with HPV positivity included age, number of lifetime sexual partners, and history of other STIs.

  • 5

    The study's findings will inform evaluations of new HPV vaccination schedules in Quebec, considering the observed herd effect.

Original Source(s)

Prevalence of Human Papillomavirus Genotypes in Unvaccinated 16- to 20-Year-Old Men in Quebec, Canada

  • by Catherine Wolfe, Iulia Gabriela Ionescu, Marie-Hélène Mayrand, François Coutlée, Chantal Sauvageau

  • February 21, 2025

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