- From assistant to professor University Freiburg, University Heidelberg, University Frankfurt, Germany, 1972—1984. Director Institute Medical Virology, Frankfurt, since 1985.
- Diagnostic tests for infants and children : principles, clinical and laboratory procedures, interpretation
Author: Contributions to Epidemiology of Infectious Diseases, 1978. Co-author: Virological Safety of Biotechnologic Drugs, 1990, 1997, Clinical Laboratory Diagnostics, 2005, Medical Virology, 2002. Series editor: Monographs in Virology, since 1997.
Co-editor: Prions, second edition, 2003, Infectiology, 2004.