We offer at least 6 PhD studentships at Medical University of Innsbruck (MUI), 2 funded by the FWF-funded Doctoral Programme of Excellence “HOROS - Host Response in Opportunistic Infections”, 4 funded by the Collaborative Doctoral Programme between MUI and the European Academy of Bolzano/Bozen (EURAC), Italy, and possibly one or two more (i.e. further announcements may be added till 5 December).