The rollout of coronavirus vaccines is "absolutely critical" for summer holidays to take place, Health Secretary Matt Hancock has said. The rollout of coronavirus vaccines is "absolutely critical" for summer holidays to take place, Health Secretary Matt Hancock has said. His comments come a day after Boris Johnson warned it was "too early" for people to be able to book holidays for the summer now. Report by Blairm. Like us on Facebook at http://www.facebook.com/itn and follow us on Twitter at http://twitter.com/itn