Why AIDS?

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In the body, in the presence of foreign germs, the white blood cells, called leukocytes, come to his defense. These blood sign of the body's immune system. But there is a virus that destroys the cells involved in this system: the human immunodeficiency virus., Known as HIV. From the moment is that HIV enters the body the infection has three phases. The first is the initial or acute phase, in which the virus invades the tissues at this stage the patient may or may not have symptoms. It is followed by intermediate-or chronic phase, lasting several years. Generally, in this period the patient has no symptoms, but the proliferation of the virus persists. The final phase, or AIDS, is characterized by a general alteration of the health of patients with opportunistic infections, certain cancers and neurological disorders. At this stage the patient is said to have AIDS, or acquired immunodeficiency syndrome.
The virus is carried in the blood, vaginal secretions and semen, and is spread when these fluids enter another person's blood.

How is HIV?

The most common forms of infection occur in sexual intercourse, or through the use of needles or any unsterilized instruments. From there they are very important prevention campaigns.

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