HIV/AIDS - Symptoms and causes - Mayo Clinic
网页2024年2月9日 · 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. If HIV isn't treated, it can take years before it weakens the immune system enough to …
HIV - Wikipedia
网页The human immunodeficiency viruses (HIV) are two species of Lentivirus (a subgroup of retrovirus) that infect humans. Over time, they cause acquired immunodeficiency syndrome (AIDS), [1] [2] a condition in which progressive failure of the immune system allows life-threatening opportunistic infections and cancers to thrive. [3]
What Are HIV and AIDS? - HIV.gov
网页2023年1月13日 · 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.
HIV and AIDS - World Health Organization (WHO)
网页2024年7月22日 · 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.
About HIV | HIV | CDC - Centers for Disease Control and ...
网页2024年1月24日 · 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.
HIV and AIDS: Symptoms, Causes, Treatments, and More
网页2023年3月16日 · What is HIV? HIV is a virus that damages the immune system. Untreated HIV affects and kills CD4 cells, which are a type of immune cell called T cell. Over time, as HIV kills more CD4 cells,...
HIV | HIV | CDC - Centers for Disease Control and Prevention
网页Learn about HIV and how the virus is transmitted, how to protect yourself and others, and how to live well with HIV. Also learn how HIV impact the American people. View All. Find information about HIV for consumers, providers, and public health partners.
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