Primary immunodeficiency diseases (PIDDs)—now more commonly called inborn errors of immunity (IEI)—are rare genetic disorders that cause at least one part of the immune system to malfunction. Though ...

Immune system disorders in children include primary (inherited) and secondary (acquired) immunodeficiencies, autoimmune diseases, atopic diseases, and immune-mediated inflammatory disorders. Share on ...

The severity of symptoms can vary greatly between people with CVID. Symptoms of common variable immunodeficiency may appear during childhood or adolescence, though many people don’t experience them ...

PHILADELPHIA, Pennsylvania (WPVI) -- "My son, who's five years old, is getting a 52-minute infusion weekly of a medication to build his immune system," said Regina James of Pitman, New Jersey. "So, I ...

Specific antibody deficiency (SAD) is an immune system disorder. It occurs when you have normal levels of antibodies but an insufficient immune response to certain types of bacteria. Antibodies, also ...

Given the heterogeneity and rarity of inborn errors of immunity (IEIs), management guidelines that deal with primary immunodeficiency as a whole are rare. The most recent general guideline, the ...

Researchers have revealed a novel association between chromosome 18q deletion syndrome and late-onset combined immunodeficiency (LOCID). Their finding challenges the previously held notion that 18q ...