The Department of Health said the decision to use a swine flu vaccine that has been found to increase the risk of developing narcolepsy was based on advice from the European Medicines Agency:
Pandemrix was developed specifically for use in a flu pandemic when the number of lives lost and serious cases could have been enormous.
The decision to recommend that children got this vaccine during the flu pandemic was based on evidence available at the time, along with the advice from the European Medicines Agency which approved its use.
We keep all emerging evidence under review and that's why use of Pandemrix in those less than 20 years old was stopped in the UK in 2011.
More top news
The UK is facing "sharper disparities" in inequality despite wider global growth, but monetary policy is not to blame, Mark Carney has said.
A plan to secure the future of Port Talbot steelworks will be unveiled to staff on Wednesday, ITV News understands.
The 54-year-old, who has been in office since April 2014, will stand down from his role as Prime Minister to focus on his campaign.