HIV and AIDS - World Health Organization (WHO)
Human immunodeficiency virus (HIV) is a virus that attacks the body’s immune system. Acquired immunodeficiency syndrome (AIDS) occurs at the most advanced stage of infection. HIV targets the body’s white blood cells, weakening the immune system. This makes it easier to get sick with diseases like tuberculosis, infections and some cancers.

HIV and AIDS - World Health Organization (WHO)
The time between HIV transmission and an AIDS diagnosis is usually 10-15 years, but sometimes longer. There is a very small number of people who have managed to control the HIV infection without ART and are called ‘elite-controllers’. This situation is very rare and most people will need ART to avoid becoming ill.

HIV - World Health Organization (WHO)
HIV. Since the beginning of the epidemic, 88.4 million [71.3–112.8 million] people have been infected with the HIV virus and about 42.3 million [35.7–51.1 million] people have died of HIV. Globally, 39.9 million [36.1–44.6 million] people were living with HIV at the end of 2023. An estimated 0.6% [0.6-0.7%] of adults aged 15–49 years ...

HIV - Global - World Health Organization (WHO)
HIV. 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 cells, weakening a person’s immunity against opportunistic infections, such as tuberculosis and fungal infections, severe bacterial infections and some cancers.

HIV/AIDS - World Health Organization (WHO)
The most advanced stage of HIV infection is acquired immunodeficiency syndrome (AIDS). The most common route of transmission of HIV infection in India is unprotected sexual intercourse with an infected person, followed by mother to child transmission during pregnancy, childbirth and breastfeeding, sharing of contaminated needles, injecting drug ...

HIV/AIDS WPRO - World Health Organization (WHO)
The Human Immunodeficiency Virus (HIV) targets the immune system and weakens people's defense systems against infections and some types of cancer. It is transmitted through unprotected sexual intercourse (anal or vaginal), transfusion of contaminated blood, sharing of contaminated needles, or between a mother and her infant during pregnancy, childbirth and breastfeeding, if the mother is not ...

HIV – Number of people dying from HIV-related causes
Expanded access to antiretroviral therapy (ART) and a declining incidence of HIV infections have led to a steep fall globally in the number of adults and children dying from HIV-related causes. The estimated 630 000 [500 000−820 000] people dying from HIV globally in 2023 were 69% fewer than in 2004 (the peak) and 51% fewer than in 2010 in ...

AIDS Free toolkit - World Health Organization (WHO)
AIDS Free toolkit. WHO and Elizabeth Glaser Pediatric AIDS Foundation (EGPAF) are the co-conveners leading the AIDS Free Working Group of stakeholders working to reach the "super fast-track" targets. The toolkit consists of the latest normative guidance, technical guidelines, policy briefs, case studies and advocacy resources to support efforts ...