title: Pathogenesis puzzle.
authors.forename: P
authors.initials: P
authors.lastname: Simmons
mesh_terms: D015496:CD4-Positive T-Lymphocytes / Q000276:immunology*; D003588:Cytopathogenic Effect, Viral; D015658:HIV Infections / Q000188:drug therapy* / Q000276:immunology* / Q000503:physiopathology; D015497:HIV-1 / Q000276:immunology*; D006801:Humans; D007111:Immunity, Cellular; D007156:Immunologic Memory