Unprotected sex with casual partners - one of the key drivers of HIV transmission among gay men - has risen significantly for those aged under 25.
Australia has recorded a 50 per cent spike in new HIV diagnoses in a decade and a re-invigoration of prevention approaches is needed to drive down new cases, annual data show.
An urgent revision of HIV prevention practices is required in Australia, warn the authors of an annual report of trends in behavior.
OPINION: Thirty years on, Australia is still well positioned to take the lead in HIV prevention, writes Professor John de Wit.
