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Secondary Immune Deficiency Disease Defined

A secondary immune deficiency disease occurs when the immune system is compromised due to an environmental factor. Examples of these outside forces include HIV, chemotherapy, severe burns or malnutrition.

In contrast, primary immunodeficiency diseases (PIDD) are a group of disorders caused by inherited or genetic defects in the cells and tissues of the immune system.

Learn more about PIDD symptoms, diagnosis, treatment and management.

The AAAAI's Find an Allergist / Immunologist service is a trusted resource to help you find a specialist close to home.