These included Mevalonate Kinase Deficiency (HyperIgD syndrome) (eight patients); Cryopyrin-Associated Periodic Syndromes (CAPS) (seven patients); NLR Family, Pyrin domain-containing 12 (NLRP12) (two patients); FMF (two patients); Autoinflammation and PLCG2-associated antibody deficiency and immune dysregulation (APLAID) (two patients) (Table 2). This evidence concerns the gene NLRP12 and hyperimmunoglobulinemia D with periodic fever.