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 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, …

Feb 9, 2024 · HIV is spread through contact with genitals, such as during sex without a condom. This type of infection is called a sexually transmitted infection, also called an STI. HIV also is spread …

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.

HIV/AIDS treatment and research information from the US federal government.

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.

Oct 6, 2025 · Discover how HIV spreads, how to prevent the virus progressing to AIDS, and where to get treatment.

Human immunodeficiency virus (HIV) affects your immune system, which is your body’s natural way of fighting infections. Without treatment, your immune system may become so weakened that it’s hard …

Human immunodeficiency virus (HIV) infection is a viral infection that progressively destroys certain white blood cells and is treated with antiretroviral medications. If untreated, it can cause acquired …

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…