- French Immunology Society (SFI)
- French Hematology Society (SFH)
- the French Society for Marrow Transplant and Cell Therapy (SFGM-TC)
- Société Francophone de Néphrologie Dialyse et Transplantation (SFNDT) (French-speaking Society for Dialysis and Transplantation Nephrology)
- the French National Society of Internal Medicine (SNFMI)
- Pediatric Hematology and Immunology Society (SHIP)
- Société de Pneumologie de Langue Française (SPLF – French lung society)
- the French National Alliance for Health and Life Sciences (AVIESAN)
The network’s main missions are to improve care, boost research and inform professionals, patients and the general public about these rare diseases.