Severe Canavan disease
ORPHA:314911Severe combined immunodeficiency
ORPHA:183660Severe combined immunodeficiency due to adenosine deaminase deficiency
ORPHA:277Severe combined immunodeficiency due to complete RAG1/2 deficiency
ORPHA:331206Severe combined immunodeficiency due to CORO1A deficiency
ORPHA:228003Severe combined immunodeficiency due to CTPS1 deficiency
ORPHA:420573Severe combined immunodeficiency due to DCLRE1C deficiency
ORPHA:275Severe combined immunodeficiency due to DNA-PKcs deficiency
ORPHA:317425Severe combined immunodeficiency due to LAT deficiency
ORPHA:504523Severe congenital hypochromic anemia with ringed sideroblasts
ORPHA:300298Severe congenital myelofibrosis-pancytopenia-intellectual disability-neurologic and ophthalmic abnormalities syndrome
ORPHA:675775Severe congenital nemaline myopathy
ORPHA:171430Severe congenital neutropenia
ORPHA:42738Severe congenital neutropenia due to G6PC3 deficiency
ORPHA:331176Severe congenital neutropenia due to JAGN1 deficiency
ORPHA:423384Severe congenital neutropenia-developmental delay syndrome due to SRP54 deficiency
ORPHA:675767Severe dermatitis-multiple allergies-metabolic wasting syndrome
ORPHA:369992Severe dilated cardiomyopathy due to lamin A/C mutation
ORPHA:83618Severe disseminated cytomegalovirus infection in immunocompetent patients
ORPHA:35062Severe early-childhood-onset retinal dystrophy
ORPHA:364055Severe early-onset axonal neuropathy due to MFN2 deficiency
ORPHA:90118Severe early-onset obesity-insulin resistance syndrome due to SH2B1 deficiency
ORPHA:329249Severe early-onset pulmonary alveolar proteinosis due to MARS deficiency
ORPHA:440427Severe generalized junctional epidermolysis bullosa
ORPHA:79404Severe growth deficiency-strabismus-extensive dermal melanocytosis-intellectual disability syndrome
ORPHA:488627Severe hemophilia A
ORPHA:169802Severe hemophilia B
ORPHA:169793Severe hereditary thrombophilia due to congenital protein C deficiency
ORPHA:745Severe hereditary thrombophilia due to congenital protein S deficiency
ORPHA:743Severe hypotonia-psychomotor developmental delay-strabismus-cardiac septal defect syndrome
ORPHA:467176Severe immune-mediated enteropathy
ORPHA:94075Severe intellectual disability and progressive spastic paraplegia
ORPHA:280763Severe intellectual disability-corpus callosum agenesis-facial dysmorphism-cerebellar ataxia syndrome
ORPHA:466688Severe intellectual disability-epilepsy-anal anomalies-distal phalangeal hypoplasia
ORPHA:94066Severe intellectual disability-poor language-strabismus-grimacing face-long fingers syndrome
ORPHA:363686Severe intellectual disability-progressive postnatal microcephaly-midline stereotypic hand movements syndrome
ORPHA:397933Severe intellectual disability-short stature-behavioral abnormalities-facial dysmorphism syndrome
ORPHA:391307Severe lateral tibial bowing-short stature-mild winged scapula-mild facial dysmorphism syndrome
ORPHA:324307Severe mendelian susceptibility to mycobacterial diseases due to complete IFNG deficiency
ORPHA:699618Severe mendelian susceptibility to mycobacterial diseases due to complete IRF1 deficiency
ORPHA:699615Severe microbrachycephaly-intellectual disability-athetoid cerebral palsy syndrome
ORPHA:1236Severe motor and intellectual disabilities-sensorineural deafness-dystonia syndrome
ORPHA:369939Severe myopia-generalized joint laxity-short stature syndrome
ORPHA:527450Severe neonatal hypotonia-seizures-encephalopathy syndrome due to 5q31.3 microdeletion
ORPHA:314655Severe neonatal lactic acidosis due to NFS1-ISD11 complex deficiency
ORPHA:397593Severe neurodevelopmental disorder with feeding difficulties-stereotypic hand movement-bilateral cataract
ORPHA:500545Severe neurodevelopmental disorder-facial dysmorphism-cerebral-renal-cardiac anomalies syndrome
ORPHA:708166Severe oculo-renal-cerebellar syndrome
ORPHA:2715