This is classified according to the type of cell line affected into :-
1-T-cells disorders: eg. DiGeorge syndrome.
(i)Common variable immune dificiency.
(ii)Bruton's congenital agammaglobulinemia.
(i)Chediak higashi syndrome.
(ii)Leukocyte adhesion deficiency.
(iii)Chronic granulomatous disease.
3-Combined B-&T-cell disorders:-
(i)severe combined immunodeficiency.
(ii)Wiskott aldrich syndrome.
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