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Examples of ARV drugs being tested for prevention include tenofovir, dapivirine (a diarylpyrimidine inhibitor of HIV reverse transcriptase) and UC-781. [14] These next-generation microbicides have received attention and support because they are based on the same ARV drugs currently used to extend the survival (and improve the quality of life ...
Two types of HIV have been characterized: HIV-1 and HIV-2. HIV-1 is the virus that was initially discovered and termed both lymphadenopathy associated virus (LAV) and human T-lymphotropic virus 3 (HTLV-III). 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 ...
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 can survive at room temperature outside the body for hours if dry (provided that initial concentrations are high), [31] and for weeks if wet (in used syringes/needles). [32] However, the amounts typically present in bodily fluids do not survive nearly as long outside the body—generally no more than a few minutes if dry. [23]
Without treatment a person living with HIV can expect to live for 11 years. [6] Early testing can show if treatment is needed to stop this progression and to prevent infecting others. HIV is spread primarily by unprotected sex (including anal and vaginal sex ), contaminated hypodermic needles or blood transfusions , and from mother to child ...
People living with HIV can expect to live a nearly normal life span if able to achieve durable viral suppression on combination antiretroviral therapy. However this requires lifelong medication and will still have higher rates of cardiovascular, kidney, liver and neurologic disease. [130] This has prompted further research towards a cure for HIV.
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HIV-associated pruritus is a cutaneous condition, an itchiness of the skin, that occurs in up to 30% of HIV infected people, occurs when the T-cell count drops below 400 per cubic mm. [1]: 417 See also