Professor John Edmunds has said until 'everyone' - including children - is vaccinated resurgence is a real risk
Senior advisor said there is 'an argument for turning to children as fast we we can' in the UK's vaccine rollout
Health Secretary Matt Hancock said studies were being done to determine the best way to vaccinate children
Schools will receive hundreds of millions to draft in private tutors and pay teachers to extend the working day
Details of 'catch-up' to be announced by Prime Minister later today when he reveals roadmap out of lockdown