A lack of immunity may resemble (immunodeficiency syndrome).
(Research activities) may involve a study of human (immunodeficiency virus).
A spectrum can be constituted-of-or-filled-with immunodeficiency.
A human (immunodeficiency virus) may damage an immune system.
Signs can be constituted-of-or-filled-with immunodeficiency.
Clients may be diagnosed with having an (immunodeficiency virus).