Dates and deadlines

You may find in this page all the dates and deadlines related to the EHA2025 Hybrid Congress. All deadlines, except if mentioned differently, end at 23:59 CET/CEST. 

The timelines will be updated regularly. 


January 1, 2025 Congress registration open 
January 1, 2025 Abstract submission open
January 1, 2025 Travel & Participation Grant applications open
March 1, 2025 (23:59 CET) Deadline for abstract submission
March 1, 2025 (23:59 CET) Deadline for Travel & Participation Grant applications
TBC Announcement allocation of abstracts to submitting authors (incl. grant application)
Ends May 2, 2024, 23:59 (CEST) Deadline for Early registration fee
May 8, 2025 (09:00 CEST) Deadline for the late-breaking abstract submission
TBC Abstracts available online
TBC Announcement allocation of late-breaking abstracts to authors
Ends May 30, 2025, 23:59 (CEST) Deadline for Regular registration fee
TBC Late-breaking abstracts available online
June 12-15, 2025 EHA2025 Hybrid Congress, Milan, Italy
Ends June 15, 2025, 13:00 (CEST) Deadline for Late HYBRID registration fee
Ends June 30, 2025, 13:00 (CEST) Deadline for Late VIRTUAL registration fee
August 15, 2025 EHA2025 Congress platform closes