Any autoimmune disease, multisystem, infantile-onset in which the cause of the disease is a mutation in the ZAP70 gene. The disease is autoimmune disease, multisystem, infantile-onset, 2 (Monarch Disease Ontology entry MONDO_0014861). Also known as: ADMIO2, ZAP70 autoimmune disease, multisystem, infantile-onset, autoimmune disease, multisystem, infantile-onset caused by mutation in ZAP70, autoimmune disease, multisystem, infantile-onset, 2; ADMIO2, autoimmune disease, multisystem, infantile-onset, type 2.