Useful Links Home » Useful Links RDCat Press release – RDCat Launch European Reference Networks (ERN) European Rare Diseases Research Alliance (ERDERA) European Joint Programme on Rare Diseases (EJP RD) European Rare Disease Research Coordination and Support Action (ERICA) European Organisation for Rare Diseases (EURORDIS) Solving the Unsolved Rare Disease (SOLVE-RD) The Joint Action on integration of ERNs into national healthcare Systems (JARDIN) Network Partners