Multisystem Inflammatory Syndrome in Children, also known as multisystem inflammatory disorder in children and adolescents, is related to severe acute respiratory syndrome and viral infectious disease. An important gene associated with Multisystem Inflammatory Syndrome in Children is TLR3 (Toll Like Receptor 3), and among its related pathways/superpathways are Infectious disease and Innate Immune System. The drugs Dopamine and Nalbuphine have been mentioned in the context of this disorder. Affiliated tissues include eye and whole blood, and related phenotypes are immune system and hematopoietic system