phage (IMAGE) University of California - Riverside Caption Reconstructed microscopy image of a bacteriophage, which is a virus that attacks bacteria. Credit (Purdue University and Seyet LLC) 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.