Nicola Sturgeon has announced that the "Stay At Home" message is now enforceable by law on the Scottish mainland. This is similar to the lockdown seen in Scotland in March last year.
In an address to the Scottish Parliament, the Scottish First Minister has stated that new restrictions were put in place in reaction to the spread of the new variant, which accounts for almost half of all cases in Scotland.
The restrictions will remain in place until the end of January, although Ms Sturgeon has not ruled out extending this lockdown if necessary.
Scotland recorded 1,900 new coronavirus cases in 24 hours on January 4.
The First Minister said on the same day as the roll out of the Oxford/AstraZeneca began, that: "To ensure the vaccine wins the race we must increase delivery as much as possible. But to give it time to get ahead, we must slow the spread of the virus.
"We have an opportunity in Scotland to avert the situation deteriorating to that extent, but we must act quickly."
All areas under Level 4 restrictions will be placed under the new rules, with the Isles remaining under the Level 3 restrictions. People have also been told not to enter or leave Scotland unless in exceptional circumstances.
Previously, Chief Constable Iain Livingstone had stated that the number of police patrolling the border with England will be doubled in order to deter people crossing during the festive period.
New guidance for those shielding will also be introduced. If you are shielding but cannot work from home, do not go to work – the Chief Medicial Officer will write to all that this applies to which will act as a doctors note.
Schools are to shut for an additional fortnight, until Jan 18, with online lessons supposed to start from Jan 11.
Can I travel to Scotland?
A new lockdown began on 00:01 on Jan 5, meaning travelling outside of the country will not be allowed until at least mid-February.
Under Scottish regulations, you must not travel between Scotland and the rest of the UK unless you have a reasonable excuse, such as for work, education or essential shopping.
Other exceptions include travel for healthcare, childcare or shared parenting, and a full list can be found on the Scottish Government website.
Which Covid tier am I in?