Yesterday, the Food and Drug Administration (FDA) approved a new vaccine targeting nine types of the Human Papillomavirus (HPV), including five types that haven't been covered by other HPV vaccines.

To better understand this new HPV vaccine, known as Gardasil 9 or HPV 9, and what it means for preventing HPV-related cancers, we spoke with Lois Ramondetta, M.D., in Gynecologic Oncology and Reproductive Medicine. Here's what she...