1986, initialism from human immunodeficiency virus, name for either of the two viruses that cause AIDS.
HIV (āch'ī-vē')
n.
Human immunodeficiency virus; a cytopathic retrovirus that is the cause of AIDS. Also called AIDS-related virus, human T-cell leukemia virus type III, human T-cell lymphotrophic virus type III, lymphadenopathy-associated virus.