Sexual activity without condoms and risk of HIV transmission in serodifferent couples when the HIV-positive partner is using suppressive antiretroviral therapy
Reports findings of European prospective, observational (PARTNER) study to evaluate the rate of within-couple HIV transmission (heterosexual and men who have sex with men) during periods of sex without condoms when the HIV-positive partner had HIV-1 RNA load less than 200 copies/mL. Found no transmission after 1.3 years.