title: [HIV-2 infection--investigation trend].
authors.affiliation: Department of Internal Medicine, Nagasaki University.
authors.forename: K
authors.initials: K
authors.lastname: Matsumoto
authors.forename: T
authors.initials: T
authors.lastname: Nagao
authors.forename: A
authors.initials: A
authors.lastname: Omori
authors.forename: S
authors.initials: S
authors.lastname: Mitalai
mesh_terms: D015492:AIDS Serodiagnosis; D000163:Acquired Immunodeficiency Syndrome / Q000453:epidemiology / Q000635:transmission; D000328:Adult; D000368:Aged; D005260:Female; D015658:HIV Infections / Q000453:epidemiology / Q000382:microbiology*; D015498:HIV-2 / Q000235:genetics; D006801:Humans; D008297:Male; D008875:Middle Aged; D015302:Simian Immunodeficiency Virus / Q000235:genetics