Severe Combined Immunodeficiency

**Semantic type:** Disease or Syndrome

**Definition:** X-linked or autosomal recessive disorder characterized by defects of both humoral and cell mediated immunity, resulting in low or absent antibody levels, leukopenia, marked susceptibility to infections, and early death.--2004

**Synonyms:** - SCID - SCID - Severe Combined Immune Deficiency - severe combined immunodeficiency disease