2006 Year In Photos: SciTech
Dr. Donald Brown holds the human papillomavirus vaccine Gardiasil in his hand Aug. 28, 2006. Hailed by many doctors as a breakthrough in cancer prevention, the vaccine prevents infections from four strains of the sexually transmitted human papillomavirus, or HPV, which can cause cervical cancer, other genital lesions and genital warts.
Author: CBS News Staff
Credit: AP Photo/Charles Rex Arbogast
