It was a simple cheek swab that saved a New Brunswick father and his son nearly 20 years apart.
David Boudreau and his son Samuel, 21, have each received a bone marrow transplant.
?At just a year and half, Samuel was diagnosed with Fanconi anemia, a disease that mainly affects the bone marrow and decreases the production of blood cells.  
“Eventually, his bone marrow would’ve failed,” said David, who felt an overwhelming feeling of shock when he heard the news in a hospital room.  
Over time, Samuel got sicker and was in desperate need of bone marrow.
After a few tests, doctors discovered his older brother, Sylvain, who was three at the time, was the perfect match. Typically, siblings have a one in four chance of a match, said David.
Sylvain, now 22, doesn’t remember much of the surgery except the large bandage on his back.
“Every doctor would explain the bone marrow and I said, ‘We don’t have to, we …