Niklas Björkström (IMAGE) Karolinska Institutet Caption Niklas Björkström, physician and immunology researcher at the Center for Infectious Medicine, the Department of Medicine, Huddinge, Karolinska Institutet. Credit Markus Marcetic Usage Restrictions The photo may only be used in connection to reports about Dr Björkström's research 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.