history on Instagram: "David Vetter was born in 1971 in Houston, Texas, with Severe Combined Immunodeficiency, a rare condition that left him with no functioning immune system. To keep him alive, doctors placed him inside a sterile plastic isolator immediately after birth, his entire world reduced to transparent walls and filtered air. He could only be touched through gloves built into the bubble, and every object that entered had to be sterilized for hours. For 12 years, David lived entirely wi