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In this picture you can
see how the virus on the left docks it the CD4 cell and inserts it's genetic
material, along with its two secret weapons, into CD4 cell by fusing with
the cell surface. unfortunately, this step is child's play for the virus
because this is exactly how CD4 cells work : they take in intruders to
have a closer look at them, then do waht is needed to destroy them throughout
the body. However, in HIV infection, the CD4 cells are truly outwitted.
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