Human Immunodeficiency Virus

1010 Words Feb 19th, 2018 4 Pages
HIV attacks the T-cells in your immune system by using them to make copies of infected cells and destroying the original T-cell. There will soon be no active T-cells. The T-cells are important for your immune system because they help fight off infections and diseases. Without it your immune system is weak leaving you vulnerable to infections and diseases. According to Gustav Mark Gedatus in his book “HIV and AIDS,” a person without HIV has about 800-1200 T-cells for every cubic meter. As HIV keeps attacking T-cells the count decreases. When the count has become 200 or less, the disease is now AIDS. Its not exactly certain how HIV came about. In fact there are many theories. One theory scientist believe that HIV came from chimpanzees from west Africa. Studies showed that chimpanzees carry a similar virus called SIV, or simian immunodeficiency virus. Scientist believe that SIV was transmitted to humans in the late 1800s. It is believed that humans came into contact with the chimpanzees blood when people hunted for them. Over decades the virus has spread all through out Africa and other parts of the world. However, scientist do know that the virus reached The United States at least in mid 1970. Another theory is the contaminated needle theory. In late 1950s disposable plastic syringes became popular in the medical field. Unfortunately getting a lot of these would be costly…
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