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Monday 8 February 2010

Human Immune Deficiency Virus (HIV)


A RETROVIRUS AIDS--Symptoms, Transmission and its control

In HIV, the infections agent that causes AIDS, the glyco-proteins of the envelope enable the virus to bind to specific receptors on the surface of certain white blood cells, although there are two RNA molecules. They are identical, not complementary strands.
Acquired Immune Deficiency Symptoms (AIDS ) is a disorder which impairs the body's lymphocyte cell T4 immune system in humans, in that the virus replicates within the T4 or helper cell. Thus these cells can no longer help or induce other T cell, called Killers, to fight invaders. The body's immune system breaks down, leaving the patient exposed to a variety of diseases.

It is important to realize, however, that infection with the virus (HIV) does not necessarily result in AIDS. As with other diseases, some people remain symptoms less and are therefore termed carriers.

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