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How to participate?
To join HELIOS and take part in its activities, visit the COST Action official webpage and apply to one or more Working Group of interest.
Recent news

HELIOS returns to ASCAT 2026 for a final year of collaboration, connection and community
HELIOS is delighted to return to ASCAT 2026 in London this October, with both a dedicated scientific session and an exhibition booth, marking our final participation at ASCAT in this format
Federated Learning Hackathon Successfully Concluded in Cyprus!
The HemaFAIR and HELIOS COST Action successfully concluded the Federated Data Analysis Training School & Hackathon, held in Ayia Napa, Cyprus, from 11–14 May 2026 at the Alion Beach Hotel. The

HELIOS at the Athens Prevention of Hemoglobinopathies Conference 2026
On March 28, 2026, a one-day scientific conference on the prevention of haemoglobinopathies took place at the Amphitheatre “Phaedon Fessas” of Laiko General Hospital of Athens. The event was organised by
Action Details
CA22119 – Haemoglobinopathies in European Liaison of Medicine and Science (HELIOS)
Memorandum of Understanding – 029/23
CSO Approval date – 12/05/2023
Start date – 20/09/2023
End date – 19/09/2027