First Failure

Gene therapy is a promising path that researchers are following to find cures and treatments for deadly genetic diseases. So far, there are seven known deaths associated with this type of research. The first confirmed fatality occurred in September of 1999. Eighteen-year-old Jesse Gelsinger died after undergoing gene therapy. Gelsinger suffered from a rare genetic liver disease and researchers believe his immune system "over" responded to the gene therapy treatment.

Explore More: Genetic Engineering
Copyright 2004, Iowa Public Television
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