High Yield, Low Production Costs (IMAGE) Arizona State University Caption A plant is infected with a virus to produce a high yield of vaccine protein components in its leaves. Credit Jason Drees, Biodesign Institute, Arizona State University 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.