A four-year-old boy spent 74 days on life support and was given just a five per cent chance of survival after a simple cough turned out to be a deadly infection.<br /><br />Little Kierkan McNeely (corr) woke up at night spluttering so his mum and dad, Amanda and Kevin McNeely, both 31, took him to see the local doctor. <br /><br />He was treated with steroids for suspected croup cough, a common virus, and sent on his way following the appointment at 8am.
