Nawracające infekcje związane z niedoborem rzadkich izotypów immunoglobulin

Deficiencies in immunoglobulin (Ig) isotypes (including: isolated IgG subclass deficiency, IgG sublcass deficiency with IgA deficiency and kappa chain deficiency) are primary immunodeficiencies that are often asymptomatic but can be characterized by recurrent, often pyogenic, sinopulmonary infections.