Viruses to Fight Bacteria (IMAGE) European Molecular Biology Laboratory Caption This is an electron microscopy image of bacteriophages that destroy Clostridium bacteria. Credit Kathryn Cross/IFR Usage Restrictions Policy regarding use EMBL press and picture releases including photographs, graphics and videos are copyrighted by EMBL. They may be freely reprinted and distributed for non-commercial use via print, broadcast and electronic media, provided that proper attribution to authors, photographers and designers is made. 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.