Taxonomy
Human immunodeficiency virus 1 (viruses)
Taxonomy ID: 11676
Human immunodeficiency virus 2 (viruses)
Taxonomy ID: 11709
Human immunodeficiency virus (viruses) - species
Taxonomy ID: 12721
Human immunodeficiency virus 3 (viruses)
Taxonomy ID: 35274
Simian-Human immunodeficiency virus (viruses) - species
Taxonomy ID: 57667