Some percent of an (adult population) may have a human (immunodeficiency virus).
Persons may be infected with human (immunodeficiency virus).
A cause may pertain-to an acquired (immunodeficiency syndrome).
Humans may be infected with a human (immunodeficiency virus).
A female may be infected with a human (immunodeficiency virus).
Mechanisms can be constituted-of-or-filled-with immunodeficiency.
Components can be constituted-of-or-filled-with simian (immunodeficiency virus).