The International Max Planck Research School for Infectious Diseases and Immunology (IMPRS-IDI) and the ZIBI Graduate School Berlin (ZIBI) are recruiting up to 13 PhD students in a joint call for the Max Planck Institute for Infection Biology, the Charité-Universitätsmedizin Berlin, the Freie Universität, the Technische Universität and the German Rheumatism Research Centre in Berlin.