HIV/AIDS GlossaryBrief glossary from Avert, a UK-based organization and one of the world’s leading online providers of HIV and AIDS information. You’ll find easy to understand information on what drives the epidemic, who is affected and what’s happening where you are. Along with the latest on best practice in HIV programming and delivery. Meanwhile, our news service will keep you up-to-date with new developments, research breakthroughs and evidence for what works in sexual health and the HIV response.