No HIV transmission from condomless sex when partner is on ART, study shows

Gay men and heterosexual people with HIV do not transmit the virus to their partner if they are on suppressive antiretroviral treatment (ART) even when they have sex without a condom, according to research published in JAMA.1

The PARTNER (Partners of people on ART) study was conducted in 14 European countries and included 888 couples where one partner was HIV positive and the other was HIV negative. The study, which was funded by the National Institute for Health Research, included 548 heterosexual couples and 340 male couples who reported routinely having sex without …