The Scottish Government confirmed on January 23 2020 that five people were being examined after presenting with symptoms of the illness.
Two of them had been diagnosed with influenza after travelling to Wuhan, China, where the virus originated.
The first confirmed coronavirus patient in Scotland came on March 1, and was from Tayside.
On March 13, the first death related to the virus was recorded.
The UK entered full lockdown for the first time on March 23, but less than a month later Scotland's chief medical officer Catherine Calderwood resigned after making two trips to her second home.
A route-map out of the coronavirus restrictions was first published by the Scottish Government on May 21.
This has been updated throughout the pandemic and includes rules on school closures, business operations and personal freedoms.
Scotland's largest city, Glasgow, has seen the highest volumes for coronavirus infections and deaths - more than 31,700 and 863 respectively.
There have been almost 170,000 positive Covid-19 cases and 5,628 related deaths north of the border, as of Friday.
Scottish Government figures show 358,454 people have received the first dose of the Covid vaccination, and 4,689 have received the second dose
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