HIV/AIDS

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Immune System and HIV

The immune system is the body's defense against disease and illness. It is a complex network of organs, cells, and proteins that

defends the body against invasion by foreign disease-bearing organisms, such as HIV;
identifies and destroys abnormal cells, such as cancer cells; and
flushes dead and damaged cells out of the body.


The immune system readily recognizes and identifies disease-causing bacteria, viruses, fungi, and other abnormal cells. When an ...Read the full article