Severe Combined Immunodeficiency

Immunodeficiency Syndrome, Severe Combined; Immunologic Deficiency, Severe Combined; Severe Combined Immunodeficiency Syndrome; Severe Combined Immunologic Deficiency; Bare Lymphocyte Syndromes; Combined Immunodeficiencies, Severe
Group of rare congenital disorders characterized by impairment of both humoral and cell-mediated immunity, leukopenia, and low or absent antibody levels. It is inherited as an X-linked or autosomal recessive defect. Mutations occurring in many different genes cause human SCID.