Untreated hiv infection leads to deterioration of immune system functioning

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What happens if HIV is left untreated?

Untreated, HIV typically turns into AIDS in about 8 to 10 years. When AIDS occurs, your immune system has been severely damaged. You'll be more likely to develop diseases that wouldn't usually cause illness in a person with a healthy immune system. These are called opportunistic infections or opportunistic cancers.

How does HIV affect immune system function?

HIV finds the white blood cells, called CD4 cells. HIV gets inside the CD4 cell and makes copies of itself. Then, HIV kills the CD4 cell and the new HIV copies find other CD4 cells to get inside and start the cycle again. HIV kills immune system cells that help the body fight infections and diseases.

How HIV infection leads to the immune deficiency?

What does HIV do to a person? HIV infects white blood cells of your immune system called CD4 cells, or helper T cells. It destroys CD4 cells, causing your white blood cell count to drop. This leaves you with an immune system that can't fight off infections, even those that wouldn't normally make you sick.

What are common causes of deterioration in HIV?

Deterioration of the immune system is caused by the decline in CD4+ T cells, which are key infection fighters. As soon as HIV enters the body, it begins to destroy these cells. Symptoms of opportunistic infections common with AIDS include: Coma.