HIV / AIDS

shared by GeeGrl on Mar 26, 2012 in Health

HIV / AIDS

shared by GeeGrl on Mar 26, 2012 in Health

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Acquired Immune Deficiency Syndrome (AIDS) is a disease of the immune system caused by Human Immunodeficiency Virus (HIV). HIV probably emerged from Simian Immunodeficiency Virus (SIV), an ancient dis...
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Category: Health
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