D8 (IMAGE) University of Pittsburgh Caption A newly created antibiotic, D8, kills much more drug-resistant bacteria (purple) than the placebo in mouse lungs. Credit B. Deslouches/Pitt 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.