Phage testing kit (IMAGE) McMaster University Caption A new kit the size of a paperback book radically improves the efficiency of searching for a bacteriophage that will respond to an antibiotic resistant superbug. Credit McMaster University Usage Restrictions None License Original 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.