Researchers (IMAGE) University of Virginia Health System Caption This image shows Anthony J. Filiano, PhD, (left) and Jonathan Kipnis, PhD, of the UVA School of Medicine. Credit Sanjay Suchak | University of Virginia Usage Restrictions May be used by reporters and webmasters to accompany news coverage of the immune system discovery. All other uses require express permission from UVA. 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.