Question: What is the birthdate of this prominent sufferer of severe combined immunodeficiency, referred to as the bubble boy, famous for living in a sterile environment?
Sentence (from "David Vetter"): David Phillip Vetter (September 21, 1971 – February 22, 1984) was a prominent sufferer of severe combined immunodeficiency (SCID), a hereditary disease which dramatically weakens the immune system.
Relevant evidence: Yes