Björn & Fabiola (IMAGE) Umea University Caption Björn Schröder, researcher at Department of Molecular Microbiology, affiliated to Molecular Infection Medicine Sweden, and Fabiola Puertolas Balint, doctoral student at Department of Molecular Microbiology. Credit Mattias Pettersson Usage Restrictions No restrictions. License Public Domain 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.