Mark Loeb (IMAGE) McMaster University Caption Mark Loeb, professor, Department of Pathology and Molecular Medicine at McMaster University and a Hamilton, Ontario infectious disease physician Credit McMaster University Usage Restrictions To be used when reporting on this research 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.