Saved by her big sister: Little girl who couldn't leave the house because 'harmless' bug could have killed her gets bone marrow transplant

Milly Smith, from New Milton, Hampshire, has a rare condition that leaves her with barely any immune system. She can now leave the house after her older sister Kacey, 8, donated her bone marrow.
Source: the Mail online | Health - Category: Consumer Health News Source Type: news