Oral HPV infection rates have dropped by 37 per cent among unvaccinated men in the US, suggesting the widespread vaccine rollout has led to herd immunity
Source:
https://www.newscientist.com/article/2215760-hpv-vaccinations-seem-to-be-creating-herd-immunity-for-us-men/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home