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HIV is commonly transmitted via unprotected sexual activity, blood transfusions, hypodermic needles, and from mother to child. Upon acquisition of the virus, the virus replicates inside and kills T helper cells , which are required for almost all adaptive immune responses .
HIV-1 is more virulent and more infective than HIV-2, [20] and is the cause of the majority of HIV infections globally. The lower infectivity of HIV-2, compared to HIV-1, implies that fewer of those exposed to HIV-2 will be infected per exposure. Due to its relatively poor capacity for transmission, HIV-2 is largely confined to West Africa. [21]
The human immunodeficiency virus (HIV) [8] [9] [10] is a retrovirus [11] that attacks the immune system.It is a preventable disease. [5] There is no vaccine or cure for HIV. It can be managed with treatment and become a manageable chronic health condition. [5]
On a special episode (first released on September 25, 2024) of The Excerpt podcast: This year, for just the seventh time since the start of the HIV pandemic, a person was cured of the virus. That ...
As of 2021, the prevalence rate among adults ages 15–49 was 1.2% with 14 000 new HIV cases presenting in both adults and children which is a 28% decrease from 2010. [35] [72] HIV transmission occurs largely through heterosexual intercourse. A greater number of people who get infected with HIV/AIDS are heterosexuals.
Lentivirus is a genus of retroviruses that cause chronic and deadly diseases characterized by long incubation periods, in humans and other mammalian species. [2] The genus includes the human immunodeficiency virus (HIV), which causes AIDS.
In 1993, the CDC added pulmonary tuberculosis, recurrent pneumonia and invasive cervical cancer [2] to the list of clinical conditions in the AIDS surveillance case definition published in 1987 [3] and expanded the AIDS surveillance case definition to include all HIV-infected persons with CD4+ T-lymphocyte counts of fewer than 200 cells/μL or ...
It was not a shocking find — he knew others that use diapers as a form of punishment. Maia Szalavitz, a journalist who covers the treatment industry — most notably with her 2006 book, Help At Any Cost: How the Troubled-Teen Industry Cons Parents and Hurts Kids — said that coercive techniques are still seen as treatment. “Addiction is a ...