Definition of HIV–1
: a lentivirus (species Human immunodeficiency virus 1) that is the most prevalent HIV —called also HTLV-III
First Known Use of hiv–1
Medical Definition of HIV–1
: a retrovirus of the genus Lentivirus (species Human immunodeficiency virus 1) that is the most prevalent HIV—called also HTLV-III, LAV
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