Amy Pruden, Virginia Tech (image) Virginia Tech Caption Virginia Tech associate professor of civil and environmental engineering Amy Pruden explained that reducing the spread of antibiotic resistance is a critical measure needed to prolong the effectiveness of currently available antibiotics. Credit Virginia Tech Photo Usage Restrictions Photo may be used when discussing or reporting Dr. Amy Pruden's research. 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.