In Wiskott-Aldrich syndrome serum IgM and IgG levels are low, and IgA and IgE levels are normal to increased
WAS (X - linked recessive) is characterised by thrombocytopenia, eczema & recurrent infections
Ataxia Telangiectasia (Autosomal Recessive) is characterised by Progressive cerebellar defects, oculocutaneous telangiectasia, deficiency of IgA, IgG, and IgE production, hypersensitivity to irradiation, and high incidence of cancer
