The 456 new cases represents 4.7 % of all tests carried out and takes the total number of confirmed cases up to 210,008.
Out of the positive cases, 138 cases Greater Glasgow, 76 in Lanarkshire and 70 in Lothian.
The remaining cases were across nine other health boards.
447 people are in hospital, 14 fewer than yesterday, with coronavirus.
40 people are intensive care, the same as yesterday, with the virus.
No further deaths have been registered of people who first tested positive with the virus, but the First Minister reminded people that registration offices tend to be closed during the weekend.
A total of ten deaths have been registered since Friday, taking the total number of deaths registered up to 7,510.
At her briefing this afternoon, Nicola Sturgeon conveyed her condolences to everyone who has suffered a bereavement.
Turning to the vaccination programme, the First Minister announced that as of 8.30 am this morning, 1,908,991 people had received a first dose of vaccine- an increase of 20,294 since yesterday.
In addition, 1,907 people yesterday received the second dose which brings the total of people who have received the second dose up to 161,945.
The First Minister also announced that ‘virtually all’ over 65 year-olds have now had a first dose of the vaccine and so have 53% 60-64 year-olds, 41% of 55-59 year-olds and 33% of 50-54 year-old.
Ms Sturgeon aslo said that the Scottish Government expects the pace of vaccination ‘to pick up significantly’ in line with increased supplies with an estimated vaccination of 400,000 over the course of this week.
During her briefing, Ms Sturgeon urged people get the astrazeneca vaccine despite countries such as the Republic of Ireland and Denmark suspending the distribution of this vaccine.
Ms Sturgeon added: “The MHRA has confirmed to us that there is no current evidence of an increase in blood clots being caused by the astrazeneca vaccine.