LJI vaccine researchers (IMAGE) La Jolla Institute for Immunology Caption Left to right: LJI Professor Shane Crotty, Ph.D., and LJI Postdoctoral Fellow Harry Sutton, Ph.D. Credit Matt Ellenbogen, LJI Usage Restrictions Credit La Jolla Institute for Immunology License Original 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.