S. Ansar Ahmed and Rujuan Dai, Virginia Tech (image) Virginia Tech Share Print E-Mail Caption S. Ansar Ahmed (left), immunolgy professor and head of the Virginia-Maryland Regional College of Veterinary Medicine's Department of Biomedical Sciences and Pathobiology, and Rujuan Dai, a research scientist at the veterinary college, published research that can potentially impact future diagnosis and treatment of lupus, an immune illness affecting more than five million people worldwide. Credit Virginia Tech Photo Usage Restrictions The photo may be used with any reports or discussion of S. Ansar Ahmed and Rujuan Dai's research. Share Print E-Mail 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.