Summary HIV life cycle and The mode of Action of ARVs
HIV is a virus spread through certain body fluids that attacks
the body’s immune system, specifically the CD4 cells, often
called T cells.
• Over time, HIV can destroy so many of these cells resulting
in failure of the body to fight off infections and disease.
• These special cells help the immune system fight off
• Untreated, HIV reduces the number of CD4 cells (T cells) in
• This damage to the immune system makes it harder and
harder for the body to fight off infections and some other
• Opportunistic infections or cancers take advantage of a very
weak immune system and signal that the person has AIDS