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.

Oct 13, 2025 · Human immunodeficiency virus (HIV) is an infection that attacks the body’s immune system, specifically the white blood cells called CD4 cells. HIV destroys these CD4 …

Jul 30, 2024 · For people living with HIV who are not diagnosed or taking ART, signs of HIV-related illness may develop within 5–10 years, although it can be sooner. The time between …

Jul 18, 2025 · Key facts on HIV.Since the beginning of the epidemic, 91.4 million [73.4–116.4 million] people have been infected with the HIV virus and about 44.1 million [37.6–53.4 million] …

HIV Factsheet 15 July 2025 HIV and AIDS Facts in pictures 18 July 2025 HIV Related data and statistics Global HIV Programme The WHO Department of Global HIV, Hepatitis and Sexually …

Jul 18, 2025 · HIV remains one of the world's most significant public health challenges, particularly in low- and middle-income countries. As a result of advances in access to …

Latest update on the global and regional HIV estimates, people receiving antiretroviral therapy, incidence among key populations, progress towards international targets, HIV testing and care …

Aug 1, 2023 · The Human Immunodeficiency Virus (HIV) targets the immune system and weakens people's defense systems against infections and some types of cancer. It is …

Mar 17, 2021 · The main objective of treatment of HIV infection is to reduce the mortality and morbidity caused by the virus and associated conditions, increasing survival, improving the …

Jul 18, 2025 · The Human Immunodeficiency Virus (HIV) targets the immune system and weakens people's defence systems against infections and some types of cancer. It is …