1One Kiss Could Kill Him When your baby is sick, it is natural to want to pick him up and kiss him. But for Lisa Ellis that is an impossible dream. Her nine month old son Toby was born with a genetic condition that means his immune system is attacking his body and he must spend his life in a sterile bubble of air. His only hope of survival is a bone-marrow transplant. 20/20 joins Toby and his mum on their journey of hope, as they go on a worldwide search for a donor.