Brief Report: HIV Prevention by Australian Gay and Bisexual Men with Casual Partners: The Emergence of Undetectable Viral Load as One of a Range of Risk Reduction Strategies

We analyzed the HIV risk reduction strategies (RRS) used by Australian gay and bisexual men with casual partners. 

Among 1346 men who reported any condomless anal intercourse with casual partners, 75% frequently practiced at least one RRS. The most common RRS was serosorting, frequently practiced by 55% of HIV-positive and 47% of HIV-negative participants. 

Condoms were frequently (but inconsistently) used by 17% of HIV-positive, 41% of HIV-negative, and 30% of untested participants. Relying on an undetectable viral load was frequently practiced by 58% of HIV-positive participants. 

Strategic positioning, withdrawal, and non-HIV-positive men taking antiretroviral medication were less common strategies.

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By:  Holt M1, Lea T, Mao L, Zablotska I, Prestage G, de Wit J.

• 1*Centre for Social Research in Health, UNSW Australia, Sydney, Australia; †The Kirby Institute, UNSW Australia, Sydney, Australia; and ‡Social and Organizational Psychology, Utrecht University, Utrecht, the Netherlands. 

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