It comes after fears mutations first identified in South Africa and Brazil could be resistant to the current antidotes being administered.
Mr Hancock told MPs: “The biggest risk to our progress here in the UK is a new variant that the vaccine does not work as well against.
“We know from our response to other viruses like flu that we need updated vaccines to tackle mutated viruses.
So, I can tell the House that as we complete the programme of first and second jabs, we are ramping up plans for a booster shot to make sure our vaccines stay ahead of the virus.”
More to follow…