R. Frank, N. Malek, M. Kalesse (IMAGE) Helmholtz Association Caption Group picture of the scientists. Credit Public Relation Office Helmholtz-Centre for Infection Research 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.