title: Which phase of the natural history of HIV infection is more transmissible?
authors.forename: E
authors.initials: E
authors.lastname: Massad
authors.forename: M N
authors.initials: MN
authors.lastname: Burattini
authors.forename: F A B
authors.initials: FA
authors.lastname: Coutinho
authors.forename: L F
authors.initials: LF
authors.lastname: Lopez
mesh_terms: D018450:Disease Progression; D015658:HIV Infections / Q000503:physiopathology* / Q000635:transmission* / Q000821:virology; D015497:HIV-1 / Q000302:isolation & purification / Q000502:physiology; D006801:Humans; D012725:Sexual Behavior; D019562:Viral Load