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. 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.