What Are HIV and AIDS? - HIV.gov
Jan 23, 2026 · What Is AIDS? AIDS is the late stage of HIV infection that occurs when the body’s immune system is badly damaged because of the virus. In the U.S., most people with HIV do …
AIDS | Definition, Diagnosis, Treatment, & Facts | Britannica
Jan 20, 2026 · AIDS is an infectious disease caused by human immunodeficiency virus (HIV). HIV slowly attacks and destroys the immune system, leaving an individual vulnerable to a variety of …
About HIV | HIV | CDC
Jan 14, 2025 · HIV (human immunodeficiency virus) is a virus that attacks the body's immune system. Without treatment, it can lead to AIDS (acquired immunodeficiency syndrome). There …
HIV/AIDS - Symptoms and causes - Mayo Clinic
Feb 9, 2024 · Overview Acquired immunodeficiency syndrome (AIDS), is an ongoing, also called chronic, condition. It's caused by the human immunodeficiency virus, also called HIV. HIV …
HIV and AIDS - World Health Organization (WHO)
Jul 15, 2025 · WHO fact sheet on HIV and AIDS with key facts and information on signs and symptoms, transmission, risk factors, testing and counselling, prevention, treatment and WHO …
HIV and AIDS: The Basics | NIH - HIVinfo
May 28, 2025 · HIV stands for human immunodeficiency virus, which is the virus that causes HIV infection. The acronym “HIV” can refer to the virus or to HIV infection. AIDS stands for …
HIV/AIDS - Wikipedia
HIV/AIDS research includes all medical research which attempts to prevent, treat, or cure HIV/AIDS, along with fundamental research about the nature of HIV as an infectious agent, …