Introduction
The first cases of acquired immune deficiency syndrome (AIDS) were reported in the U.S. in June of 1981. The occurrence of the syndrome among homosexual men, intravenous (IV) drug abusers and, later, blood transfusion recipients and persons with hemophilia suggested a transmissible agent as the cause. In 1984, scientists identified a retrovirus, human immune deficiency virus (HIV), also known as human T-Iymphotropic virus type III/lymphoadenopathy, associated virus (HTLV-III/LAV), as the primary cause of AIDS. Read more…
In one of the most promising developments in more than 20 years, scientists claim that drugs used to control HIV/AIDS in patients may also be effective in preventing the disease in the first place.
The drugs in question are tenofovir (Viread) and emtricitabine, or FTC (Emtriva), sold in combination as Truvada by Gilead Sciences Inc. Gilead is the California company best known for inventing Tamiflu.
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AIDS is an acronym for Acquired Immunodeficiency Syndrome it causes a destruction of the immune system. It is the most advanced stage of the HIV virus (HIV stands for Human Immunodeficiency Virus). AIDS is defined by the Centers for Disease Control and Prevention (CDC) as the presence of a positive HIV antibody test and one or more of the illnesses known as opportunistic infections.
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