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HIV invades a healthy CD4 cell
- Viruses, including HIV, cannot make copies of themselves on
their own.
- To survive, HIV must invade a healthy cell in your body.
- HIV likes to invade CD4 cells -- special cells that help the
body's immune system protect you against germs and viruses that
can make you sick.
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HIV has the key to unlock the cell
- HIV has a special chemical to unlock
and enter the CD4 cell.
- The chemical is like a key on the surface
of the virus, ready to open CD4 cells for invasion and infection.
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