The Economic Impact Of Hiv / Aids On Africa

1744 Words4 Pages

Heather Clark
Eco 111
Term Paper

The economic Impact of HIV/AIDS on Africa
Northern Maine Community College
Economics 111, fall semester 2014
Thursday December 4th, 2014

Scientists identified a chimpanzee in West Africa as the source of HIV infection in humans. It is believed that the Chimpanzee version of the virus called simian immunodeficiency virus, or SIV most likely transmitted to humans and mutated into HIV when humans came in contact with infected blood. (CDC, 2014) Over decades, the virus spread across Africa and later into other parts of the world. HIV is a lent virus, it attacks the immune system. HIV stands for human Immunodeficiency virus. Two types of HIV exist: HIV-1 and HIV-2. HIV-1 is more easily transmitted and is the cause of the vast majority of HIV infections across the globe. HIV-2 is less transmittable and is largely confined to West Africa. (CDC, 2014) The HIV virus kills off white blood cells that help fight infection. Those cells are called CD4 cells. Hive cells increase while CD4 cells decreases. AIDS is defined as Acquired Immune Deficiency Syndrome, the most advanced stage of the HIV virus. Where the immune system has become so damaged that you 're vulnerable to infection. CD4 cells have dropped below 200 cells/mm. Without treatment people typically survive 3 years. Within 2-4 weeks after infection many develop flu-like symptoms. After the acute stage of HIV infection, the disease moves into a stage called the "Clinical Latency" stage. During this stage people who are infected with HIV experience mild or no symptoms. The virus continues to reproduce at low levels. If your immune system becomes badly damaged the virus has entered the AIDS stage. (CDC, 2014)
It was in Kinshasa in the 1970 's that t...

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Esburg, J. (2012, March 10). Rising condom use brings a dramatic fall in infection rates. Retrieved November 28, 2014, from http://www.economist.com/node/21550001

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