How Well is the HPV Vaccine Working? By Vincent Iannelli, MD / March 25, 2021 / gardasil, herd immunity, HPV infections, HPV vaccine effectiveness, HPV vaccine safety, HPV vaccines, prevaccine era Yet another study demonstrates just how effective Gardasil is at preventing HPV infections. Share this:FacebookTwitterRedditPrintLinkedInPinterestEmailTumblrWhatsAppLike this:Like Loading...