Nation Child with no immune system is living in ‘bubble’ as he awaits a transplant January 31, 2020 Jackie Rehwald, Springfield News-Leader Comments Off on Child with no immune system is living in ‘bubble’ as he awaits a transplant Two-year-old Hunter Bruton has spent much of his life in a bubble, of sorts. With no thymus, he must stay in his sanitary bedroom most of the time.