Gardasil (Merck & Co.), also known as Gardisil or Silgard, is a vaccine against certain types of human papillomavirus (HPV).
Gardasil is designed to prevent infection with HPV types 16, 18, 6, and 11. HPV types 16 and 18 currently cause about 70% of cervical cancer cases, and also cause some vulvar, vaginal, penile and anal cancers. HPV types 6 and 11 cause about 90% of...