Speaking at her daily press briefing, the First Minister confirmed that a further 51 people have tested positive for coronavirus in the last 24 hours.
It brings the total number of people confirmed to have contracted the virus since the start of the outbreak to 20,107.
Two of these new cases are in the Grampian health board area, 14 in Greater Glasgow and Clyde, three in Lanarkshire and 10 in Tayside.
There are 255 people in hospital with confirmed or suspected Covid-19, a decrease of two in 24 hours.
Of these patients, three were in intensive care, an increase of one.
Ms Sturgeon said that there had been no new reported deaths of people who had tested positive for the virus.
She said there is no evidence in Coupar Angus of wider community transmission from the 2 Sisters factory where a Covid-19 cluster was identified.
Ms Sturgeon said that 177 cases have been identified, 157 of which are staff at the factory and 20 who are close contacts, an increase of 11 from Thursday.
At Kingspark School in Dundee, where the First Minister said there is also no evidence of community transmission, two more cases were identified – taking the total number of cases to 36.
Of the 36 cases, three are pupils, 22 are staff members and 11 are contacts of staff.
In Aberdeen, where local lockdown measures were lifted earlier this week following a cluster, the First Minister said the situation was “under control”.
Addressing a small cluster in Hawick identified on Thursday, Ms Sturgeon reported that four more cases have been identified, bringing the total to 11.
The first of 22 walk-in Covid-19 testing centres in Scotland will open on Friday, the First Minister announced.
The facility, at Victory Memorial Hall in St Andrews, is designed to make testing more accessible and available.
Bookings are recommended for the testing centres, which can be done through the NHS Inform website.