HIV (human immunodeficiency virus) is a virus that attacks the immune system, the body's natural defence system. Without a strong immune system, the body has trouble fighting off disease. Both the virus and the infection it causes are called HIV.

• HIV (Human Immunodeficiency Virus) Infection
• HIV and Fatigue
• HIV and Weight Loss
• HIV Screening
• HIV Viral Load
• HIV: Non-Progressors and HIV-Resistant People
• HIV: Stages of Infection
• Ways HIV Cannot Be Spread

• HIV: Preventing Infections
• HIV: Preventing Other Infections When You Have HIV
• HIV: Tips for Caregivers to Avoid Infection
• Opportunistic Infections in HIV

• Antiretroviral medicines for HIV
• HIV: Antiretroviral Therapy (ART)
• HIV: Taking Antiretroviral Medicines
• Resistance to HIV Medicines

• HIV and Exercise
• HIV Home Care
• HIV: Giving Support