1. Bernhard Nocht Institute for Tropical Medicine, WHO Collaborating Centre for Arbovirus and Hemorrhagic Fever Reference and Research, Hamburg, Germany
2. German Centre for Infection Research (DZIF), partner site Hamburg-Luebeck-Borstel, Hamburg, Germany
3. Institute for Transfusion Medicine, University Hospital, Aachen, Germany
4. Paul-Ehrlich-Institut, Federal Institute for Vaccines and Biomedicines, Langen, Germany
5. Transfusion Center, University Medical Center of the J.G. University, Mainz, Germany
6. These authors contributed equally to this work