. . "A reprogrammed version of HIV, which causes AIDS, was used by doctors at the Children???s Hospital of Philadelphia to end her terminal leukemia.However, the hospital recently made headlines again for charging hundreds of thousands of dollars to a Croatian child, Nora Situm, 5, to have the same gene therapy.According to Philly.com, outrage was expressed on the web, especially Facebook, but the Chil" . .