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Home Health Library Topics Severe combined immunodeficiency

Overview

Severe combined immunodeficiency, also known as bubble boy disease, is a serious, inherited condition in which the immune system cannot fight even mild infections.

Symptoms

Symptoms include having respiratory infections often, poor growth and rashes.

Treatments

Stem cell transplantation is the most common treatment. Enzyme replacement therapy and gene therapy are sometimes used for certain forms of this condition.

Last Updated: October 17th, 2025