The estimated incidence of<unk>  in the United States is one in 250,000 live male births. While still a rare disease, this makes it more common than many genetic immunodeficiency syndromes such as hyper-IgM syndrome or SCID, which have an estimated incidence of about one in 1,000,000 live births, and<unk>  is thought to account for 1.2% of all inherited immunodeficiencies in the United States. WAS occurs worldwide and is not known to be more common in any particular ethnic group.
Wiskott–Aldrich syndrome
Common variable immunodeficiency
Chronic granulomatous disease
Severe combined immunodeficiency
SAPHO syndrome
Hyper-IgM syndrome type 5
Ataxia–telangiectasia
Hyper-IgM syndrome type 2