Understanding HIV Learn more about HIV and AIDS using the collection of fact sheets, infographics, HIV-related terms and awareness day pages. Fact Sheets HIV-related information explained in easy-to-understand language View Fact Sheets Featured Fact Sheets HIV and AIDS: The Basics Preventing Perinatal Transmission of HIV Preventing Perinatal Transmission of HIV After Birth Infographics Images of HIV-related topics View Infographics Featured Infographics Antiretroviral Therapy: What Does It Do? What’s a Blip? You Can Safely Share...With Someone With HIV Glossary Medical dictionary of HIV-related terms View Glossary Featured Terms Monoterapia Discordant Couple Perinatal Transmission Awareness Days Pages Webpages highlighting the National HIV/AIDS Awareness Days View Awareness Day Pages Featured Awareness Days National Latinx AIDS Awareness Day World AIDS Day National Black HIV/AIDS Awareness Day