Film about the sibling bone marrow donation process

If you are asked to give consent for your child to be a bone marrow donor for one of their siblings affected by CGD, you might be concerned about what is involved in the process of collecting the bone marrow that will be donated. This three minute film tells the story of Henry, who is 18 years old, and is donating bone marrow to his younger brother, Alfie, who has CGD.