This new vaccine therapy could prevent melanoma from returning

A vaccine could soon help prevent the deadliest form of skin cancer - melanoma - from returning in those diagnosed. Researchers at the Melanoma Institute Australia led an international human trial of the tailored vaccine, which lowered the risk of recurring melanoma by 42%. To understand the implications of this pioneering vaccine therapy, The World's Host Aaron Schachter spoke to Dr. Robert Vonderheide, the director of the Abramson Cancer Center at the University of Pennsylvania and president-elect of the American Association for Cancer Research.