Andrew Mesecar, Purdue University (image) Purdue University Caption Andrew Mesecar, Purdue's Walther Professor of Cancer Structural Biology, works in his lab. Mesecar leads a team of researchers working to develop treatments and vaccines for the SARS and MERS viruses. Credit (Purdue University photo/Steven Yang) Usage Restrictions For non-commercial use only. 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.