University of Cologne - Institute of Virology, University of Cologne - Institute of Virology, University of Cologne - Institute of Virology, University of Cologne - Cologne Excellence Cluster on Cellular Stress Responses in Aging-Associated Diseases, University of Cologne - Cologne Excellence Cluster on Cellular Stress Responses in Aging-Associated Diseases, University of Cologne - Institute of Virology, University of Cologne - Institute of Virology, University of Cologne - Institute of Virology, University of Cologne - Institute of Virology, University of Cologne - Institute of Virology, University of Cologne - Center for Molecular Medicine Cologne (CMMC), University of Cologne - Institute of Virology, University of Cologne - Department I of Internal Medicine, University of Cologne - Division of Infectious Diseases, University of Cologne - Institute of Virology, University of Cologne - Institute of Virology, University of Cologne - Institute of Virology and Charité - Universitätsmedizin Berlin - Department of Infectious Diseases and Respiratory Medicine