AdvertisementGene Therapy Keeps 'Bubble Boy' Disease At Bay In 8 ChildrenDecember 07, 2013Richard KnoxfacebookEmailDavid Vetter was born without a functioning immune system and spent his life in a bubble that protected him from germs. He died at age 12 in 1984. Scientists are using gene therapy to treat the disorder so that children can live normally. (Science Source)