3 Svenja Wolff, Stephan Becker, Allison Groseth 4 5 Institut für Virologie, Philipps Universität Marburg, Hans-Meerweinstr. 2, 35043 Marburg, 6 Germany 7 2 Laboratory of Virology, Division of Intramural Research, National Institute of Allergy and 8 Infectious Diseases, National Institutes of Health, 903 South 4 Street, Hamilton, MT 59840, 9 USA 10 11 Corresponding author: 12 Prof. Dr. Stephan B...