The Covid-19 booster roll-out will be fast tracked as fears grow over the impact of the new Omicron variant on the Welsh NHS.
Public health chiefs are now aiming to get everybody aged over 18 in Wales a booster jab, by December 31.
The original plan had been to get those eligible jabbed by the end of January 2022.
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However, with the Omicron variant set to surge going into Christmas, the Welsh Government wants to accelerate the programme in line with England, who also want to get people jabbed by New Years Day.
Speaking on BBC Wales today, Wales Chief Medical Officer, Dr Frank Atherton, insisted the priority for people, was to get a booster, which could give around 70% protection from "serious harm", against Omicron.
Read more: New Covid restrictions 'almost inevitable' before Christmas as Wales faces 'rising tide' of Omicron
He said: "The best thing you can do for yourselves and your loved ones, is to get your booster shots, when you're eligible.
"And what we are doing in Wales, as the rest of the UK and as the Prime Minister announced yesterday, we are accelerating the process of boosters and bringing that forward.
"We had a plan in Wales to offer everybody over 18 a booster shot before the end of January and we are going to try and move that forwards now, until the end of December."
Dr Atherton added, they were looking at "getting more vaccine centres up, more walking appointments, where possible, getting more volunteers in and moving some of the staff, who exist in the NHS," to cope with the extra demand.
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The chief medical officer's comments come us The Catrin Finch vaccination centre, in Wrexham, was closed today and tomorrow (Dec 13 and 14) for maintenance.
Glyndwr University, where the centre is based, tweeted: "All arranged appointments have been transferred to other local centres."
Is the Welsh Government right to speed up the booster roll-out? Have your say on this story in the comments section
