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Donate today to support women in science at Burnet and their work to unlock the vaginal microbiome and reduce risk of HIV infection and preterm birth for women around the world.
HIV-negative and untested gay and bisexual men from Victoria, Australia (n = 771) were surveyed during August-September 2016 about their comfort having condomless sex with casual male partners in scenarios in which pre-exposure prophylaxis (PrEP) or treatment as prevention were used. Men not using PrEP were most comfortable with the idea of condomless sex with HIV-negative partners (31%), followed by partners using PrEP (23%). PrEP users were more comfortable with the idea of condomless sex with these partner types (64 and 72%, respectively). Very few men not taking PrEP were comfortable with condomless sex with HIV-positive partners (3%), even with undetectable viral loads (6%). PrEP users were more comfortable with condomless sex with HIV-positive partners (29%), and those with undetectable viral loads (48%). Being on PrEP, having recent condomless sex with casual partners or a HIV-positive regular partner were independently associated with comfort having condomless sex.