Newcastle, England (WOIO) - 5-year-old Seth Lane was born with a rare condition called
SCID is a primary immune deficiency often called "bubble boy disease" because of a little boy who lived in a germ-free plastic bubble for 12 years in the 1970s and 1980s.
Seth loves Fireman Sam, Paw Patrol, and the color yellow.
Friday, Seth will undergo his second bone marrow transplant to combat SCID.
He and his family are asking that people wear yellow today to support him and to tag pictures on Facebook, Instagram and Twitter with #WearYellowForSeth.