title: State of the HIV pandemic.
authors: M
authors: M
authors: Essex
mesh_terms: D000163:Acquired Immunodeficiency Syndrome / Q000453:epidemiology* / Q000821:virology; D000349:Africa / Q000453:epidemiology; D000818:Animals; D014644:Genetic Variation; D015497:HIV-1 / Q000235:genetics; D015498:HIV-2 / Q000235:genetics; D000882:Haplorhini; D015186:Hominidae; D006801:Humans