Epstein-Barr Virus (IMAGE) Duke University Caption The Epstein-Barr virus takes control of the body's immune B-cells so that it can hide in plain sight. Up to 90 percent of all adults carry the virus without consequence, but it can cause cancers of the lymph system. Credit National Cancer Institute Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.