More than 12,000 people, including 1,000 children, may be dying 'unnecessarily' from sepsis according to the Sepsis Trust.
Health Secretary Jeremy Hunt has said the NHS is now determined to make sure the infection is spotted sooner but Labour accused the government of ignoring previous warnings from two years ago, that more needed to be done.
This video report from ITV News Political Correspondent Libby Wiener has been removed
Health Secretary Jeremy Hunt promised the parents of William Mead in a private meeting that he'll push for reforms to the NHS 111 helpline.
Mother of baby who died from sepsis as a result of a chest infection believes her son would still be alive if she'd got the right advice.
The NHS non-emergency helpline cannot identify when children and babies have potentially deadly illnesses, according to a report.