The Battle Against AIDS
Beginning of paper
AIDS is the final, life-threatening stage of infection with human
immunodeficiency virus (HIV). AIDS stands for acquired immunodeficiency
syndrome. The name refers to the fact that HIV severely damages the
patient's disease-fighting immune system. Cases of AIDS were first
identified in 1981 in t ....
Middle of paper
.... attaches to specific
molecules found only on the surface of the cells. These molecules are
called CD4 receptor molecules, and the cells themselves are often referred
to as CD4 cells. When an AIDS virus enters one of these cells, the virus
inserts its genes into the cell's reproductive system and uses it to
produce more HIV. This infection kills the CD4 cell and spreads AIDS
viruses to other CD4 cells, where the process is repeated.
HIV can be present in the body for 2 to 12 or more ....
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Page count: 7 (approximately 250 words per page)