1# On March 27th Seth was going to have a bone marrow transplant. His favorite color was yellow so his family wanted everyone to where yellow for Seth. 2# Yellow signifies a good immune system. In the passage it says "They want everyone to wear Seth's favorite color yellow, and post pictures on Facebook, Twitter or Instagram, with the hashtag #WearYellowForSeth." 3# SCID is a genetic condition that arises when the body is born without T cells - the most important white blood cells. Its called bubble boy disease because the person who called it that spent most of his time in a germ free bubble.

Agreat invention ;however, it will put a lot of construction workers out of their jobs.

Useful for pond bridges on so many levels.

1. What is going to happen on march 27th is that Seth is going to have a bone transplant, and his parents are asking to send in photos that have people wearing yellow so that they show affection for him. 2. wearing yellow means having a healthy immune system. Seth likes the color yellow because yellow has become his color of choice. 3. SCID means Severe Combined Immunodeficiency disease. It is nicknamed the "bubble boy" disease because a man named David Vetter. He was born with X-linked SCID, the Texas resident spent most of his short life inside a plastic, germ-free bubble.

The infected cells die and they leave behind a weak immune system. Every test subject they had died when they tried to cure them. They tested to see if the former rogue cells transformed into " cops ".

The infected cells die and they leave behind a weak immune system. Every test subject they had died when they tried to cure them. They tested to see if the former rogue cells transformed into " cops ".