Ministry of Defence says a total of 221 Armed Forces personnel will support booster programme until end of February.
An additional 100 Armed Forces personnel have been deployed to accelerate the vaccine rollout in Scotland amid a wave of Omicron infections.
The move brings the total number of personnel supporting the effort to 221 and they are expected to remain until the end of February.
It comes as the Scottish Government is accelerating efforts to accelerate the booster vaccination scheme, with appointments opening up on Wednesday morning for the 18-29 age group.
UK Armed Forces minister James Heappey told STV News: “They’ll play whatever role the NHS in Scotland requires but there will be 221 military vaccinators joining NHS clinicians on task from as soon as we are able to get them there – and there are 121 already there, another 100 to follow in the next few days
