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Human Immunodeficiency Virus (HIV) and Acquired Immunodeficiency Syndrome (AIDS) are both currently affecting the present world. Interestingly, it is believed that these viruses originated in certain types of monkeys and chimpanzees located in the western part of Africa, and evolved from them into a disease only transferable from human to human. This fact makes HIV and AIDS of zoonotic origin (Shannon 2014). According to a report titled “What is HIV/AIDS?” by the U.S Department of Health and Human Services, “humans probably came in contact with HIV when they hunted and ate infected animals. Recent studies indicate that HIV may have jumped from monkeys to humans as far back as the late 1800s” (“What is HIV/AIDS?” 2014). Today, these evolved diseases attack T-cells and eventually destroy a majority of the human immune system, making it difficult for those infected to fight off diseases (Shannon 2014).
Many associate the HIV and AIDS together, but do not necessarily know the difference between them. To clarify, AIDS is an acquired syndrome after a person is infected with HIV and the virus has destroyed a great deal of healthy cells (Shannon 2014). The U.S. Department of Health and Human Services states, “AIDS is the late stage of HIV infection, when a person’s immune system is severely damaged and has difficulty fighting diseases and certain cancers” (“What is HIV/AIDS?” 2014). Both HIV and AIDS are transmitted by blood, breast milk, pre-seminal and rectal fluid, semen, and vaginal secretions. However, bodily fluids such as feces, nasal fluid, saliva, tears, urine, sweat, and vomit do not spread the disease. HIV is spread from person to person through sexual contact, during pregnancy, childbirth, or breastfeeding, as a res...

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Shannon, G. “HIV/AIDS.” 2014. Lecture, University of Kentucky, Lexington, KY, March 12, 2014.
“The Global HIV/AIDS Epidemic.” 2013. The Henry J. Kaiser Family Foundation. http://kff.org/global-health-policy/fact-sheet/the-global-hivaids-epidemic/ (last accessed 13 March
2014).

“A History of the HIV/AIDS Epidemic with Emphasis on Africa.” 2003. UNAIDS and WHO. http://www.un.org/esa/population/publications/adultmort/UNAIDS_WHOPaper2.pdf (last accessed 13
March 2014).

“What is HIV/AIDS?” 2014. U.S. Department of Health and Human Services. http://aids.gov/hiv-aids-basics/hiv-aids-101/what-is-hiv-aids/ (last accessed 13 March 2014).
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