dillon lowe came into this world sick, diagnosed with diamond black ban anemia, a rare genetic disorder. so what you're looking at right there is exactly what dillon needed. blood. transfusions, nearly every day for six years, until he was able to get his bone marrow transplant back in may. what he never did, though, was get a chance to meet that core group of people who donated blood, that is until today. >> thank you so much! >> reporter: here at the red cross in oakland, young dillon met gale, harold, joseph and mark, and so, too, did his grandmother. >> you saved his life! thank you! >> reporter: you see, the blood within this group of four was the lifeline for a young boy they only knew as the john muhr baby. [ applause ] >> reporter: the red cross recruited the donors and they said yes. >> they couldn't travel, couldn't get tattoos, couldn't do any of the number of things that could get you deferred. >> reporter: today for the very first time-- >> to see them makes it all much more real. >> reporter: they set their eyes on the baby. >> they makes a difference -- sorry. but anyhow,