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HIV and AIDS. World AIDS Day December 1, 2011. What is HIV?. T here are now an estimated. How Does the HIV Virus Infect the Body?. T-cells are white blood cells that detect and fight foreign invaders of the body
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HIV and AIDS World AIDS Day December 1, 2011
What is HIV? • There are now an estimated
How Does the HIV Virus Infect the Body? • T-cells are white blood cells that detect and fight foreign invaders of the body • The viral DNA now may remain inactive for several years, producing few copies of HIV
HIV Life Cycle 7) New viruses are released from host cell 1) HIV binds to CD4 cell 2) Virus fuses with cell membrane, releasing RNA into cell 6) Assembly & replication of new viruses 3) Viral RNA is converted into DNA 5) Activation of Viral DNA 4) DNA is integrated into Host DNA
How Does the HIV Virus Infect the Body? • The new copies of HIV can now move freely throughout the body and infect other cells
How is HIV Transmitted? • HIV is found: • Transmission occurs when a sufficient quantity of these
How is HIV Transmitted? There are various ways a person can become infected:
Does HIV have Symptoms? • Symptoms include those of common illnesses: • Often people who are infected with HIV
How is HIV Treated? Antiretroviral drugs (ARV’s) keep the levels of HIV in the body at a low level, so that the immune system is able to recover and work effectively. Access to ARV’s: http://www.avert.org/media-gallery/video-59-the-largest-clinical-trial-of-antiretroviral-therapy-in-africa
What is AIDS? • A person is diagnosed with AIDS when their • If left untreated,
The Global AIDS Epidemic • Since the first cases of AIDS were identified in 1981, Invisible Children Living with AIDS in Trinidad & Tobago: http://www.avert.org/media-gallery/video-71-invisible-children-living-with-hivaids
The Global AIDS Epidemic • Sub-Saharan Africa has been hardest hit by the epidemic; in 2010 over two-thirds of AIDS deaths were in this region. • In this region,
The Global AIDS Epidemic • In most Asian countries less than 1% of individuals are affected and the epidemic is centered among • In Eastern Europe infection rates are • In Western Europe and America Drug Use and HIV Spread: http://www.avert.org/media-gallery/video-88-hiv-shoots-up
The Global AIDS Epidemic • Although there is no cure for AIDS, HIV infection can be prevented, and those living with HIV can take antiretroviral drugs to prevent or delay the onset of AIDS. Universal Access: http://www.avert.org/media-gallery/video-51-world-aids-day-2010-universal-access Adolescent with AIDS: http://www.avert.org/media-gallery/video-78-a-unicef-video-about-adolescents-living-with-hiv-in-botswana http://www.avert.org 2015 AIDS Digital Quilt: http://www.2015quilt.com/