| Health / Medical Topics |
Human Immunodeficiency Virus 2
Definition 1
An HIV species related to HIV-1 but carrying different antigenic components and with differing nucleic acid composition. It shares serologic reactivity and sequence homology with the simian Lentivirus SIV and infects only T4-lymphocytes expressing the CD4 phenotypic marker. (NCI Thesaurus)
Definition 2
Any viral organism that can be assigned to the species Human Immunodeficiency virus 2. (NCI Thesaurus/CDISC)
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