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Variants by IUIS category
| IUIS category | Number of variants |
|---|---|
| Antibody deficiencies | 35 |
| Autoinflammatory deficiencies | 67 |
| Combined T/B cell deficiencies | 107 |
| Disorders of immune dysregulation | 86 |
| Diseases of intrinsic and innate immunity | 62 |
| Immunodeficiencies affecting cellular and humoral immunity | 97 |
| Phagocytic defects | 34 |
| Other defects | 19 |
| Total | 507 |
