The 'safest way' for people to spend Christmas is to remain in their own household, the First Minister said.
Samaritans Scotland said every one of the deaths was 'a devastating loss', after 833 probable suicides in 2019.
The landmark bill, which offers universal access to sanitary products, would be a world-first.
Ms Marra wrote to her local party branch to inform them of her decision not to stand in next year's election.
National 5 exams have already been cancelled in Scotland due to the Covid-19 pandemic.
Education Secretary John Swinney made the pledge during the SNP conference on Saturday.
The First Minister addressed delegates at the virtual SNP conference on Saturday.
The facility is based at Fleming House car park in Cumbernauld, North Lanarkshire.
Universities Scotland said this week's UK Government Spending Review failed to set out clearly how much money will be available.
First Minister will open her party's annual conference by telling activists she has 'never been so certain' the country will achieve independence.
A majority of Scottish parents believe exams for Higher and Advanced Higher should be cancelled next year.
The SNP MP was addressing the Wales Governance Centre 2020 annual conference.
John Swinney said an inquiry into the abuse of children in care happened after 'a change of First Minister'.