T-cell immunodeficiency, congenital alopecia, and nail dystrophy is a rare disorder. It has been diagnosed in only a few individuals, almost all of whom are members of a large extended family from a community in southern Italy.
How many people are affected by T-cell immunodeficiency, congenital alopecia, and nail dystrophy ?
<s>[INST] Answer the question truthfully, you are a medical professional. This is the question: How many people are affected by T-cell immunodeficiency, congenital alopecia, and nail dystrophy ? [/INST] \n T-cell immunodeficiency, congenital alopecia, and nail dystrophy is a rare disorder. It has been diagnosed in only a few individuals, almost all of whom are members of a large extended family from a community in southern Italy.</s>