title: Absence of HIV-2 in Spanish groups at risk for HIV-1 infection.
authors.forename: P
authors.initials: P
authors.lastname: Estébanez
authors.forename: C
authors.initials: C
authors.lastname: Sarasqueta
authors.forename: M
authors.initials: M
authors.lastname: Rua-Figueroa
authors.forename: K
authors.initials: K
authors.lastname: Fitch
authors.forename: P V
authors.initials: PV
authors.lastname: Eugenia
authors.forename: J M
authors.initials: JM
authors.lastname: Varela
authors.forename: G
authors.initials: G
authors.lastname: Contreras
authors.forename: C
authors.initials: C
authors.lastname: Casado
authors.forename: L
authors.initials: L
authors.lastname: Pérez
authors.forename: R
authors.initials: R
authors.lastname: Nájera
mesh_terms: D003430:Cross-Sectional Studies; D005260:Female; D015658:HIV Infections / Q000453:epidemiology / Q000382:microbiology*; D015497:HIV-1 / Q000302:isolation & purification*; D015498:HIV-2 / Q000302:isolation & purification*; D006801:Humans; D008297:Male; D008889:Military Personnel; D012307:Risk Factors; D011477:Sex Work; D013030:Spain / Q000453:epidemiology