<unk>  (IEI) are genetic mutations that result in an increased susceptibility to infectious disease, autoinflammatory disease, allergy, or autoimmunity.<unk><unk>  include, but are not limited to, primary immunodeficiencies. As of 2020, there are 431 identified<unk> .
Inborn errors of immunity
Combined immunodeficiencies
Primary immunodeficiency
MOG antibody disease
Transient hypogammaglobulinemia of infancy
Selective immunoglobulin A deficiency
Neonatal adrenoleukodystrophy
Inborn errors of metabolism