Estimating the real-world benefits of HPV immunisation | The Daily Star
12:00 AM, July 28, 2019 / LAST MODIFIED: 01:38 AM, July 28, 2019

Health Bulletin

Estimating the real-world benefits of HPV immunisation

HPV vaccination substantially reduced the burden of HPV infection, genital warts, and cervical precancers, especially in highly immunised populations.

The population-level effects of human papillomavirus (HPV) immunisation began to emerge 4 years after vaccination programmes were introduced. Now, researchers have performed an updated review and meta-analysis of 65 studies measuring the effects of HPV immunisation on frequency of HPV infection, genital warts, and cervical intraepithelial neoplasia grade 2+ (CIN2+; a precursor of cervical cancer) 10 years after vaccine implementation in 14 high-income countries.

In addition to benefitting immunised individuals, vaccine programmes are also advantageous for unvaccinated people through herd immunity; thus, population-level analyses are essential to fully assess the benefits of immunisation. This rigorously executed update of a prior systematic review should strengthen our confidence that HPV vaccine implementation will eventually abrogate cervical cancer.

The need is greatest in resource-poor settings where cervical cancer screening programmes are nonexistent or very limited and vaccine programmes are just being rolled out.

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