Aliquoting the Medium (IMAGE) University of Massachusetts Amherst Caption A UMass Amherst volunteer scientist measures out the precise amount of viral transports medium to add to each vial. Credit UMass Amherst 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.