Immune system

time-course of HIV infection

One year after initial infection it appears as though HIV disappears from the blood.

Hoverver, the lymph nodes a full of the virus.

During the years when HIV in the blood is low and T cell and antibody concentrations are high,

the body if constantanly mounting an immune attack against the virus.

During this period, the virus is continually mutating and

escaping immune system destruction.

What is the immune system doing