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HIV (Human Immunodeficiency Virus) is the virus that causes AIDS (Acquired Immune Deficiency Syndrome.) HIV attacks cells (cd4 included) in the body that fight disease. HIV+ patients are given an AIDS diagnosis when they have reached a low level of these cells as a result of their HIV infection.

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14y ago
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13y ago

Your CD4 count is a marker of the strength of your immune system. Many immune related diseases can cause your CD4 count to drop, as can medications that are designed to suppress your immune system.

With HIV, the CD4 count falls because it is unable to keep up with the pressure from the virus replicating.

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Q: Why CD 4 count is low in AIDS?
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