What is HPV and how can you protect yourself from it?

At some point, most sexually active people will be infected with human papillomavirus, or HPV. There are over 100 types of HPV, and most of the time the body eliminates infections without symptoms— but some strains can pose serious health risks down the line. How can you protect yourself from HPV? Emma Bryce explains how the virus causes harm, who's at risk and how to minimize those risks. [Directed by Sharon Colman, narrated by Bethany Cutmore-Scott, music by Miguel d'Oliveira].