"Human immunodeficiency virus 2"^^ . "Human immunodeficiency virus type 2"^^ . "AIDS virus"^^ . "human immunodeficiency virus type 2 HIV-2"^^ . "HIV"^^ . "HIV-2"^^ . "human immunodeficiency virus type 2, HIV-2"^^ . "ncbi_taxonomy"^^ . "HIV2"^^ . "LAV-2"^^ . "Human immunodeficiency virus-2"^^ . . . "GC_ID:1"^^ . "HIV type 2"^^ . .