Girls May Require Fewer Shots to Be Protected Against Cervical Cancer: Study

Traditional vaccines administered to girls to protect against cervical cancer suggest that two shots should be given within months of each other, followed by a third dose a while later. A new study reported in the Journal of the American Medical Association suggests that as little as one dose may offer sufficient protection. Dr. Bruce Hensel reports for the NBC4 News at 5 p.m. on April 30, 2013.