Virus-resistant Grapevines (IMAGE) Fraunhofer-Gesellschaft Caption The plant on the left is unmodified and therefore susceptible to viral infections. The other two were modified -- the one in the center is 59 percent resistant to the virus, while the one on the right is 100 percent resistant. Credit Fraunhofer IME Usage Restrictions The picture may be used for editorial purposes only. It is protected by copyright. The use is free of charge if the reference is mentioned. 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.