severe combined immunodeficiency severe combined immunodeficiency disease SCID
severe_combined_immunodeficiency%1:26:00:: severe_combined_immunodeficiency_disease%1:26:00:: scid%1:26:00::
a congenital disease affecting T cells that can result from a mutation in any one of several different genes; children with it are susceptible to infectious disease; if untreated it is lethal within the first year or two of life