About HIV | HIV | CDC
Jan 14, 2025 · Overview 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 is …
HIV/AIDS - Symptoms and causes - Mayo Clinic
May 22, 2026 · HIV spreads through contact with some body fluids. The virus can spread during sex, when people share needles or syringes, or during pregnancy, delivery or breastfeeding. The only …
HIV - Wikipedia
HIV is a member of the genus Lentivirus, [15] part of the family Retroviridae. [16] Lentiviruses have many morphologies and biological properties in common. Many species are infected by lentiviruses, …
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 response.
What Are HIV and AIDS? - HIV.gov
Apr 13, 2026 · HIV is a virus that can make it harder for your body to fight other infections and diseases.If HIV is left untreated, it can lead to AIDS, a late stage of…
HIV | CDC - Centers for Disease Control and Prevention
HIV Nexus: CDC Resources for Clinicians Access clinical tools, guidelines, and patient materials on HIV testing, prevention, and treatment.
HIV and AIDS - NHS
Find out about the symptoms of HIV and AIDS, what treatments are available and how to prevent getting or spreading the infection.
Symptoms of HIV
Feb 17, 2026 · HIV often causes flu-like symptoms in its earliest (acute) stage, but not everyone has the same symptoms or any symptoms at all.The only way to know for sure…
HIV/AIDS - Wikipedia
The human immunodeficiency virus (HIV) [8][9][10] is a retrovirus [11] that attacks the immune system. Without treatment, it can lead to a spectrum of conditions including acquired immunodeficiency …
HIV and AIDS: Symptoms, Causes, Treatments, and More
Oct 2, 2025 · HIV damages the immune system. Without treatment, AIDS can develop. Learn all about HIV and AIDS, including symptoms, treatments, life expectancy, and more.