Maraba Virus (IMAGE) Alliance for Cancer Gene Therapy Caption This is a view of the Maraba Virus that was used an an oncolytic virus as part of cancer immunotherapy to treat breast cancer. Credit The Ottawa Hospital 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.