Some boys may be born with severe combined immunodeficiency.
Some adults may be infected with a human (immunodeficiency virus).
A (drug cocktail) can be in fighting a human (immunodeficiency virus).
Drugs may prevent a human (immunodeficiency virus) from replicatting in immune cells.
Microbes may account for a majority of cases of human (immunodeficiency virus).
Simian (immunodeficiency virus) may be believed by some scientists.
A precursor may pertain-to a human (immunodeficiency virus).
Someone may be infected with a human (immunodeficiency virus).