Wiskott-Aldrich syndrome (WAS) is a primary immunodeficiency disease characterized by microthrombocytopenia, eczema, infections and an increased risk for autoimmune manifestations and malignancies. The disease is Wiskott-Aldrich syndrome (MONDO_0010518, a Monarch Disease Ontology identifier). Also known as: WAS, Wiskott Aldrich syndrome, Wiskott syndrome, Wiskott-Aldrich syndrome 1, Wiskott-Aldrich syndrome, X-linked recessive, eczema-thrombocytopenia-immunodeficiency syndrome, immunodeficiency 2.