The HPV vaccine protects against cervical cancer. KT Stock photos/ Shutterstock November 4, 2021 HPV vaccine cuts cervical cancer cases by almost 90% – but one in ten girls still haven’t been vaccinated Carol Dezateux, Queen Mary University of London; Helen Bedford, UCL, and Nicola Firman, Queen Mary University of London Addressing these gaps in the vaccination programme will ensure more people are being protected against the type of cancer.