Severe combined immunodeficiency


Type of disease: Rare conditions

Severe combined immunodeficiencies (SCID) are inherited immune system disorders characterized by defects in both T cells and B cells. SCID causes a high susceptibility to life-threatening infections and failure to thrive. Without treatment, people with SCID do not tend to live past early childhood. Two common types of SCID include: 

Source: Genetic and Rare Diseases Information Center (GARD), supported by ORDR-NCATS and NHGRI.

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