Germ+line+Gene+therapy

=Germ-line Gene therapy= They take a healthy gene out of a healthy person and place it into the unhealthy person and hope that it kills off the Retroviruses this is called in vivo therapy, or they put the healthy gene in to a cell and then are place into the unhealthy person this is called ex vivo therapy. If you inject dead cancer cells into a cancer patient the dead cancer cells can give the white blood cells the instructions on how to kill the cancer cells.