Lead Authors (IMAGE) Virginia Tech Caption Lead authors Xin M. Luo, associate professor of immunology in the Department of Biomedical Sciences and Pathobiology, and Qinghui Mu, formerly a postdoctoral fellow in the department. Photo by Emily Koth. Credit Virginia Tech 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.