HIV/AIDS
Also called: human immunodeficiency virus, acquired immunodeficiency syndrome
AIDS is a chronic immune system disease caused by the human immunodeficiency virus (HIV).
- Spreads by sexual contact
- Treatment can help, but this condition can't be cured
- Chronic: can last for years or be lifelong
- Requires a medical diagnosis
- Lab tests or imaging always required
HIV damages the immune system and interferes with the body's ability to fight infection and disease. HIV can be spread through contact with infected blood, semen, or vaginal fluids. There's no cure for HIV/AIDS, but medications can control the infection and prevent disease progression.
Rare: Fewer than 200,000 US cases per year
Consult a doctor for medical advice
Sources: Mayo Clinic and others. Learn more
HIV (human immunodeficiency virus) is a virus that attacks the body's immune system. If HIV is not treated, it can lead to AIDS (acquired immunodeficiency ...
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Human immunodeficiency virus (HIV) is an infection that attacks the body's immune system, specifically the white blood cells called CD4 cells.
Learn more about CDC's mission of preventing HIV infection and reducing the incidence of HIV-related illness and death in the US. HIV Locator banner tag cloud.
HIV is spread primarily by unprotected sex (including anal and vaginal sex), contaminated hypodermic needles or blood transfusions, and from mother to child ...
Human immunodeficiency virus (HIV) is the sexually transmitted infection that causes AIDS. HIV symptoms vary by phase and can be managed to prevent AIDS.