1 Clinic for Infectious Diseases, St Joseph Krankenhaus, Berlin, Germany.
2 Institute of Pathology, DRK Kliniken Berlin, Berlin, Germany.
3 Department of Neuropathology, Charité - Universitätsmedizin Berlin, Berlin, Germany; Cluster of Excellence, NeuroCure, Berlin, Germany; German Center for Neurodegenerative Diseases (DZNE), Berlin, Germany.
4 Department of Neuropathology, Charité - Universitätsmedizin Berlin, Berlin, Germany.
5 National Consultant Laboratory for Diagnostic Electron Microscopy of Pathogens, Centre for Biological Threats and Special Pathogens (ZBS), Robert Koch Institute, Berlin, Germany. Electronic address: LaueM@rki.de.