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2 days ago · Key Points. The human immunodeficiency virus (HIV) is the virus that causes HIV infection. If untreated, HIV may cause acquired immunodeficiency syndrome (AIDS), the most advanced stage of HIV infection.
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HIV is a virus that attacks the body's immune system. The only way to know if you have HIV is to get tested. There are many ways to prevent HIV, like using PrEP, PEP, condoms and never sharing needles. HIV treatment helps people live long, healthy lives and prevents HIV transmission.
What is AIDS? What are the symptoms of HIV? When does a person have AIDS? How quickly do people infected with HIV develop AIDS? Where is HIV found? How can HIV be transmitted? What is the risk of transmitting HIV through kissing or deep kissing? What is the risk of transmitting HIV through body piercing or tattooing? What is the risk of ...
- Key Facts
- Overview
- Signs and Symptoms
- Transmission
- Risk Factors
- Diagnosis
- Prevention
- Treatment
- Who Response
HIV remains a major global public health issue, having claimed an estimated 42.3 million lives to date. Transmission is ongoing in all countries globally.There were an estimated 39.9 million people living with HIV at the end of 2023, 65% of whom are in the WHO African Region.In 2023, an estimated 630 000 people died from HIV-related causes and an estimated 1.3 million people acquired HIV.There is no cure for HIV infection. However, with access to effective HIV prevention, diagnosis, treatment and care, including for opportunistic infections, HIV infection has become a manageable ch...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 is sp...
The symptoms of HIV vary depending on the stage of infection. HIV spreads more easily in the first few months after a person is infected, but many are unaware of their status until the later stages. In the first few weeks after being infected people may not experience symptoms. Others may have an influenza-like illness including: 1. fever 2. headac...
HIV can be transmitted via the exchange of body fluids from people living with HIV, including blood, breast milk, semen, and vaginal secretions. HIV can also be transmitted to a child during pregnancy and delivery. People cannot become infected with HIV through ordinary day-to-day contact such as kissing, hugging, shaking hands, or sharing personal...
Behaviours and conditions that put people at greater risk of contracting HIV include: 1. having anal or vaginal sex without a condom; 2. having another sexually transmitted infection (STI) such as syphilis, herpes, chlamydia, gonorrhoea and bacterial vaginosis; 3. harmful use of alcohol or drugs in the context of sexual behaviour; 4. sharing contam...
HIV can be diagnosedthrough rapid diagnostic tests that provide same-day results. This greatly facilitates early diagnosis and linkage with treatment and prevention. People can also use HIV self-tests to test themselves. However, no single test can provide a full HIV positive diagnosis; confirmatory testing is required, conducted by a qualified and...
HIV is a preventable disease. Reduce the risk of HIV infection by: 1. using a male or female condom during sex 2. being tested for HIV and sexually transmitted infections 3. having a voluntary medical male circumcision 4. using harm reduction services for people who inject and use drugs. Doctors may suggest medicines and medical devices to help pre...
There is no cure for HIV infection. It is treated with antiretroviral drugs, which stop the virus from replicating in the body. Current antiretroviral therapy (ART) does not cure HIV infection but allows a person’s immune system to get stronger. This helps them to fight other infections. Currently, ART must be taken every day for the rest of a pers...
Global health sector strategies on HIV, viral hepatitis, and sexually transmitted infections for the period 2022–2030 (GHSSs) guide strategic responses to achieve the goals of ending AIDS, viral hepatitis B and C, and sexually transmitted infections by 2030. WHO’s Global HIV, Hepatitis and STIs Programmes recommend shared and disease-specific count...
Feb 9, 2024 · Overview. Acquired immunodeficiency syndrome (AIDS), is an ongoing, also called chronic, condition. It's caused by the human immunodeficiency virus, also called HIV. HIV damages the immune system so that the body is less able to fight infection and disease.
Jan 13, 2023 · HIV (human immunodeficiency virus) is a virus that attacks cells that help the body fight infection, making a person more vulnerable to other infections and diseases.
Learn the facts about how many people have HIV in the U.S., who is at the highest risk, and more. While HIV risk factors are the same for everyone, some racial/ethnic groups are more affected than others. HIV/AIDS affects millions of people worldwide. Learn about the global HIV/AIDS epidemic.
