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Genetic [[research]] indicates that HIV originated in west-central Africa during the late nineteenth or early twentieth century.[9][10] AIDS was first recognized by the U.S. [[Centers for Disease Control]] and Prevention in 1981 and its cause, HIV, identified in the early 1980s.[11]

Genetic [[research]] indicates that HIV originated in west-central Africa during the late nineteenth or early twentieth century.[9][10] AIDS was first recognized by the U.S. [[Centers for Disease Control]] and Prevention in 1981 and its cause, HIV, identified in the early 1980s.[11]

Although treatments for AIDS and HIV can slow the course of the disease, there is currently no [[vaccine]] or cure. Antiretroviral treatment reduces both the mortality and the morbidity of HIV infection, but these drugs are expensive and routine access to antiretroviral medication is not available in all countries.[12] Due to the difficulty in treating HIV infection, preventing infection is a key aim in controlling the AIDS pandemic, with health organizations promoting safe sex and needle-exchange programmes in attempts to slow the spread of the [[virus]].[http://en.wikipedia.org/wiki/AIDS]

Although treatments for AIDS and HIV can slow the course of the disease, there is currently no [[vaccine]] or cure. Antiretroviral treatment reduces both the mortality and the morbidity of HIV infection, but these drugs are expensive and routine access to antiretroviral medication is not available in all countries.[12] Due to the difficulty in treating HIV infection, preventing infection is a key aim in controlling the AIDS pandemic, with health organizations promoting safe sex and needle-exchange programmes in attempts to slow the spread of the [[virus]].[http://en.wikipedia.org/wiki/AIDS]

==Notes and references==

==Notes and references==