title: The origins of the AIDS virus.
authors.affiliation: Harvard School of Public Health, Department of Cancer Biology.
authors.forename: M
authors.initials: M
authors.lastname: Essex
authors.forename: P J
authors.initials: PJ
authors.lastname: Kanki
mesh_terms: D000163:Acquired Immunodeficiency Syndrome / Q000453:epidemiology / Q000382:microbiology*; D000818:Animals; D005075:Biological Evolution; D006800:Deltaretrovirus Infections / Q000453:epidemiology / Q000382:microbiology*; D005260:Female; D005814:Genes, Viral; D006678:HIV / Q000235:genetics / Q000472:pathogenicity*; D015497:HIV-1 / Q000235:genetics / Q000472:pathogenicity; D015498:HIV-2 / Q000235:genetics / Q000472:pathogenicity; D006801:Humans; D008992:Monkey Diseases / Q000453:epidemiology / Q000382:microbiology; D012192:Retroviridae Infections / Q000453:epidemiology / Q000382:microbiology / Q000662:veterinary; D015302:Simian Immunodeficiency Virus / Q000235:genetics / Q000472:pathogenicity*