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Aids Is Becoming So Widespread
Part 1 of Paper
.... the following paragraphs the answers to this question will be answered.
Aids is the final, life-threatening stage of infection with human immuondeficiency
virus (HIV). Aids stands for Acquired immunodeficiency virus syndrome. The name refers to
the fact that HIV severely damages the patient's disease fighting immun.... Part 2 of Paper
....wn as HIV-2 and occurs mainly just in Africa.
The virus,HIV-1 is spread throughout the world . HIV
infects certain white blood cells, including T-helper cells and macrophages, that play key roles in
the functioning of the human immune system. The virus attaches to certain molecules found only
on the surface of cells. When an AIDS virus enters one of these cells, the virus inserts its genes
into the cell's reproductive system and uses to produce more HIV. The infection kills the CD-4
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| Number of words: 973 - Approximate pages: 4 |
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