3-yo Quinn Waters' natural immunity was temporarily wiped out after he got a stem cell transplant to treat his brain cancer. As a precaution, he isn't allowed outside. That hasn't stopped the world from coming to him. @SteveHartmanCBS reports. https://t.co/K0GaKMr7NA pic.twitter.com/k9th69nRUO — CBS Sunday Morning ? (@CBSSunday) August 25, 2019 TweetShare1818 Shares