SCID, CIDs, DiGeorge syndrome, Wiskott-Aldrich syndrome, Ataxia telangiectasia, Dyskeratosis congenita, ORAI-1 deficiency, CGD, X-linked Agammaglobulinemia, ALPS, STAT1 gain of function, CTLA-4 deficiency, GATA-2 deficiency, TRAPS, FMF, NEMO, TIM3, DOCK8, STAT2, STAT3, PIK3CD (132). Here, PIK3CD is linked to isolated agammaglobulinemia.