Wiskott-Aldrich Syndrome

Wiskott-Aldrich syndrome (WAS) is an inherited immune system disorder that can lead to frequent infections and problems with bleeding too easily. WAS occurs only in males and appears mostly in children but sometimes does not appear until adulthood. About 4 out of every 1 million boys born in the United States has WAS. The only treatment that can cure WAS is a bone marrow or cord blood transplant (also called a BMT).