HIV diagnosis and preventive - By: Majk Klain

HIV means "human immunodeficiency virus. HIV retrovirus that infects cells of the human immune system (mainly CD4 positive T cells and macrophages-key components of the immune system cells), as well as the destruction or damage to their function. Infection by this virus carries a gradual destruction of the immune system, leading to "immune.

The immune system is deficient when it can no longer fulfill its role in combating infections and diseases. With a weakened immune system of people more vulnerable to many infections, most of which are quite rare among people without immune system. The diseases associated with severe immune deficiency, known as "opportunistic infections" because they use a weakened immune system. Top

What is AIDS?
AIDS stands for "Acquired Immune Deficiency Syndrome, describes a set of symptoms and infections associated with acquired immunodeficiency. HIV cause AIDS. The levels of antibodies against HIV and the appearance of certain infections, the use of indicators HIV infection is AIDS. Back to start

What are the symptoms of HIV?
Most people infected with HIV do not know they are infected because the symptoms immediately after the first infection. Some people have an illness similar to infectious mononucleosis (fever, rash, joint pains and swollen lymph glands), which can occur during seroconversion. Seroconversion for antibodies to HIV and usually occurs between the ages of 6 weeks and 3 months after infection did not happen.

Although HIV does not cause early symptoms of HIV infected people are now, and can transmit the virus to another man. The only way to determine whether HIV infection in humans with HIV testing.

HIV infection causes a gradual depletion and weakening the immune system. This leads to increased susceptibility to infection in the body and can cause AIDS. Top

If a person has AIDS?
Term AIDS applies to the most advanced stage of HIV infection.

Most people infected with HIV, if not treated, develop signs of AIDS within 8-10 years. AIDS identified on the basis of certain infections, grouped by the World Health Organization:

Phase I-asymptomatic HIV infection is not classified as AIDS
The second phase II. (Marginal mucocutaneous manifestations and recurrent respiratory infections upper respiratory tract)
Third Key III. (Includes chronic diarrhea of unknown origin for over a month, Serious bacterial infections and pulmonary tuberculosis) or
IV fourth key. (Includes cerebral toxoplasmosis, candidiasis of the esophagus, trachea, bronchi or lungs and Kaposi's sarcoma), HIV-AIDS diseases of the indicators used.

Most of these conditions are opportunistic infections that can be easily treated in healthy people.

In addition, the Center for Disease Control and Prevention (CDC) defines AIDS in CD4 positive cells is less than 200 mm3 of blood (see Acquired Immunodeficiency Syndrome (AIDS) and definitions).

CD4-positive T cells are critical for mounting an effective immune response to infection.
World Health Organization (WHO) recommendations on antiretroviral treatment (ART) on the basis of previous definitions. WHO recommends that HIV-infected adolescents and adults with this disease, and / or T lymphocytes of 200 mm3 to initiate antiretroviral therapy.

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You can find more information about early symptoms of HIV infection

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