We've made huge strides against cancer since we opened more than 60 years ago—but we're not done yet. Donate now to join our mission. | St. Jude Children's Research Hospital

A major breakthrough in global medicine is now underway as the world’s first lung cancer vaccine officially enters clinical trials across seven countries. This marks a historic moment in the fight against one of the deadliest cancers, responsible for more than 1.8 million deaths each year. The new vaccine, developed after years of research, is designed to train the immune system to recognize and destroy cancerous cells before they grow or spread. Unlike traditional cancer treatments such as chem