UM lab worker (IMAGE) The University of Montana Caption Research associate Alexander Riffey is with the University of Montana's Center for Translational Medicine, which is working on a tuberculosis vaccine. Credit UM photo by Tommy Martino Usage Restrictions No restrictions. License Public Domain 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.