“In this race between the vaccines and the virus, the new variant may have given the virus extra legs," the health secretary said.
Deputy chief medical officer Jonathan Van-Tam said: "The booster programme has never been more vital than at this point in time."
Sturgeon has said Scots should start working from home immediately to curb the spread of the virus.
It may be more transmissible, but it's too early to say if we'll see more hospitalisations.
"We're very much on the front foot with this," Edward Argar claimed.
Face masks are back, isolation is changing and travel is tighter – the new Covid rules in case you missed them.
Edward Argar told Sky News: "That's not something I'm anticipating."
"Your advisers are very very clear. They say reintroduction of working from home guidance is likely to have the greatest individual impact on transmission."
Festive plans have been thrown into doubt after Boris Johnson introduced measures to combat the Omicron variant.
Brits have been urged to take Covid tests before entering busy shopping centres. Here's what else you can do.
Six countries have been added to the UK's red list for travel.
"There is a correlation between what political influencers are encouraging their followers to act on and what is actually occurring in the real world.”
Those eligible are also encouraged to get the flu jab.
With talk of rising Covid cases over Christmas, experts share how we can best protect ourselves.
Can you tell your NFTs apart from your cheugy or regencycore?
"We take the scientific advice very seriously," the deputy prime minister promised.
The government has just altered its advice as it predicts more indoor socialising this winter.
Got a festive trip planned to Europe planned? Here's the Covid guide you need to read.
Rising infection rates across the continent have left people worrying about Britain's case numbers just before Christmas.