IE 11 is not supported. For an optimal experience visit our site on another browser.

8-year-old paralyzed by rare condition linked to Covid

03:06

8-year-old Avella Bauer was diagnosed with acute disseminated encephalomyelitis (ADEM), a condition that developed after she tested positive for Covid-19. NBC News' Janhvi Bhojwani discusses the diagnosis and what doctors say parents can do to prevent it.