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 is currently no …

May 22, 2026 · HIV makes the body less able to clear out infections and diseases. If HIV infection is not treated, over time it can cause an illness called acquired immunodeficiency syndrome (AIDS). HIV …

Find information about HIV for consumers, providers, and public health partners.

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.

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 infection that happens when the immune …

HIV/AIDS research includes all medical research that attempts to prevent, treat, or cure HIV/AIDS, as well as fundamental research about the nature of HIV as an infectious agent and AIDS as the …

Feb 17, 2026 · Without treatment, HIV will usually progress from acute to chronic HIV infection, and then to AIDS (acquired immunodeficiency syndrome). Learn more about the progression of HIV.

Jun 6, 2022 · Human immunodeficiency virus (HIV) is the virus that causes AIDS. HIV slowly weakens your immune system until you are unable to fight off even minor illnesses.

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, and about AIDS as …

May 28, 2025 · Get basic information about HIV, including how it affects the body, how to know if you have HIV, and how to prevent or treat HIV.