An AI-Health infrastructure for the Nordic region: technical foundations, data assets, and a roadmap for deployment

In this Comment, we outline the Nordic AI-Health Initiative platform, built on unique large-scale longitudinal and multimodal health data sets from across the region. The platform is designed to enable secure, regulation-compliant access and to deliver generalizable models for responsible AI-driven discovery in medicine

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Acknowledgements

The authors thank S. Sævarsdóttir for constructive discussions. Generative AI tools were used to improve readability, grammar, and language, and all authors reviewed and approved the final version of the manuscript. O.A.A. received funding from Nordforsk, Novo Nordisk Foundation, Research Council of Norway, KG Jebsen Stiftelsen, European Union’s Horizon 2020 and Horizon Europe research and innovation programs. H.H. received funding from the Lundbeck Foundation. T.L. received funding from Knut and Alice Wallenberg Foundation, European Research Council, Swedish Research Council, and National Institutes of Health. P.R.N. was supported by funds from the European Research Council, Novo Nordisk Foundation, Danish Diabetes & Endocrinology Academy, Trond Mohn Foundation, KG Jebsen Stiftelsen, Meltzer Foundation. M.V. was supported by the Research Council of Norway, European Research Council, University of Bergen. S.R., J.V. and L.M.: this work has received funding from the European Union’s Horizon Europe research and innovation program under grant agreement no. 101060011. Views and opinions expressed are however those of the author(s) only and do not necessarily reflect those of the European Union or European Research Executive Agency. Neither the European Union nor the granting authority can be held responsible for them. T.W. received funding from the European Partnership for Personalised Medicine, Novo Nordisk Foundation, US National Institute of Mental Health. S.B. received funding from Novo Nordisk Foundation. O.K. received funding from the Research Council of Finland, Finnish Medical Foundation, Sigrid Juselius Foundation and the Jane and Aatos Erkko Foundation, KAW, Vetenskapsrådet, and CancerFonden (Sweden).

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Authors and Affiliations

1. Center for Precision Psychiatry, Division of Mental Health and Addiction, Oslo University Hospital, Oslo, Norway

   Ole A. Andreassen, Hakon Heimer & Olav B. Smeland

2. Institute of Clinical Medicine, University of Oslo, Oslo, Norway

   Ole A. Andreassen, Anders M. Dale & Olav B. Smeland

3. Institute of Biological Psychiatry, Mental Health Services, Amager and Hvidovre Hospital, Copenhagen University Hospital, Roskilde, Denmark

   Hakon Heimer & Thomas Werge

4. Centre for Healthy Brain Aging, Department of Psychological Medicine, Institute of Psychiatry, Psychology & Neuroscience, King’s College London, London, UK

   Dag Aarsland

5. Centre for Age-Related Diseases, Stavanger University Hospital, Stavanger, Norway

   Dag Aarsland

6. J. Craig Venter Institute, San Diego, CA, USA

   Anders M. Dale

7. Amgen deCODE genetics, Reykjavik, Iceland

   Daníel Gudbjartsson & Hreinn Stefánsson

8. Department of Obstetrics and Gynecology, Sahlgrenska University Hospital, Gothenburg, Region Västra Götaland, Sweden

   Bo Jacobsson

9. Department of Obstetrics and Gynecology, Sahlgrenska Academy at the University of Gothenburg, Gothenburg, Sweden

   Bo Jacobsson

10. Department of Genetics and Bioinformatics, Division of Health Data and Digitalisation, Institute of Public Health, Oslo, Norway

    Bo Jacobsson

11. Department of Clinical Neuroscience, Karolinska Institutet, Stockholm, Sweden

    Ingrid Kockum

12. Department of Gene Technology, SciLifeLab, KTH Royal Institute of Technology, Stockholm, Sweden

    Tuuli Lappalainen

13. New York Genome Center, New York, NY, USA

    Tuuli Lappalainen

14. Estonian Genome Centre, Institute of Genomics, University of Tartu, Tartu, Estonia

    Andres Metspalu & Lili Milani

15. Mohn Center for Diabetes Precision Medicine, Department of Clinical Science, University of Bergen, Bergen, Norway

    Pål R. Njølstad & Marc Vaudel

16. Department of Pediatric and Adolescent Medicine, Haukeland University Hospital, Bergen, Norway

    Pål R. Njølstad

17. Novo Nordisk Foundation Center for Basic Metabolic Research, Faculty of Health, University of Copenhagen, Copenhagen, Denmark

    Pål R. Njølstad

18. Institute for Molecular Medicine Finland (FIMM), HiLIFE, University of Helsinki, Helsinki, Finland

    Aarno Palotie, Samuli Ripatti & Olli Kallioniemi

19. Medical Affairs and Health Impact, AbbVie Scandina

    Anders Sandvik

20. University of Iceland, Reykjavik, Iceland

    Kári Stefánsson

21. Computational Biology Unit, Department of Informatics, University of Bergen, Bergen, Norway

    Marc Vaudel

22. Institute of Computer Science, University of Tartu, Tartu, Estonia

    Jaak Vilo

23. STACC, Tartu, Estonia

    Jaak Vilo

24. Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark

    Thomas Werge

25. Department of Public Health, Section for Health Data Science and AI, Copenhagen University, Copenhagen, Denmark

    Søren Brunak

26. Department of Oncology–Pathology, Karolinska Institutet, Stockholm, Sweden

    Olli Kallioniemi

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1. Ole A. AndreassenView author publications

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2. Hakon HeimerView author publications

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3. Dag AarslandView author publications

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4. Anders M. DaleView author publications

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7. Ingrid KockumView author publications

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8. Tuuli LappalainenView author publications

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10. Lili MilaniView author publications

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11. Aarno PalotieView author publications

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12. Samuli RipattiView author publications

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14. Olav B. SmelandView author publications

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Competing interests

O.A.A. is a consultant to Precision-Health.ai and Ledidi, and has received speaker’s honoraria from Eli Lilly and Company, Bristol Myers Squibb, H. Lundbeck A/S, Otsuka Pharmaceutical Co, Sunovion Pharmaceuticals Inc., and Janssen Pharmaceuticals. D.A. has received research support and/or honoraria from AstraZeneca, H. Lundbeck, Novartis Pharmaceuticals, Evonik, Roche Diagnostics, and GE Health, Sanofi, and served as a paid consultant for H. Lundbeck, Eisai, Heptares, Eli Lilly, Enterin, Acadia, EIP Pharma, Biogen, and Takeda, Eli Lilly, Eisai, BioArctic. T.L. is an advisor with equity in Variant Bio. A.S. is an employee at AbbVie, a biopharmaceutical company. AbbVie has not provided funding for the development of this paper and has no role in the decision to publish. L.M. has received travel reimbursement from Pacific Biosciences for attending meetings to present research results. A.M.D. is a founding director of, and holds equity in, CorTechs Labs Inc. (DBA Cortechs.ai), Precision Pro Inc., and Precision Health and Wellness Inc. A.M.D. is the president and a board of trustees member of the J. Craig Venter Institute. H.S. and D.G. are employees at Amgen deCODE genetics. S.B. has received speakers’ honoraria from Sanofi and Roche. O.K. is founder and shareholder in Sartar Therapeutics and received honoraria from KAW, Novo Nordisk Foundation and Sitra.

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Andreassen, O.A., Heimer, H., Aarsland, D. et al. An AI-Health infrastructure for the Nordic region: technical foundations, data assets, and a roadmap for deployment.
Nat Med (2026). https://doi.org/10.1038/s41591-026-04575-4

• Published:14 August 2026

• Version of record:14 August 2026

• DOI
  :https://doi.org/10.1038/s41591-026-04575-4