Guus Rimmelzwaan, MSc, PhD Professor of Immuno-virology at Erasmus Medical Centre in Rotterdam, the Netherlands. He obtained a MSc in Medical Biology at the Free University of Amsterdam, the Netherlands in 1985, and a PhD in 1990 at the University of Utrecht. Guus subsequently worked as a postdoctoral fellow at the National Institute of Public Health in Bilthoven, the Netherlands, and between 1992 and 1994 at the Academic Medical Center in Amsterdam and the National Cancer Institute, Frederick, MD, USA. In 1994 Guus started working on influenza viruses at the Department of Viroscience at Erasmus Medical Centre Rotterdam. His main research interests are influenza virus vaccine development, immunologic defence mechanisms against influenza virus infections with emphasis on cell mediated immunity, virus-host interactions and influenza virus epidemiology. Guus currently heads the WHO national influenza center at the Erasmus Medical Centre. His research focuses on the identification of correlates of protection against influenza viruses and the development of so-called universal influenza vaccines. He co-authored over 300 publications, and participated as expert in various national committees on the prevention of influenza. His research is funded by several EU programs and the Dutch government.