A major breakthrough reveals antibodies that may finally stop one of the world’s most common—and dangerous—viruses in its tracks. Credit: Shutterstock Fred Hutch Cancer Center researchers have made a significant advance in the effort to block Epstein Barr virus (EBV), a widespread infection that affects about 95% of people worldwide and is linked to several cancers, neurodegenerative conditions, and other long-term illnesses. By working with mice engineered to produce human antibodies, the team