coronavirus update for Scotland today.The First Minister addressed MSPs in a virtual session where she warned further changes might be made to measures as she attempts to curb the number of cases.Measures to control the pandemic have to be reviewed every three weeks, however rules on indoor household gatherings will not change.Sturgeon also gave further details on rules around wearing face coverings in Scotland.It comes as 13 people who returned a positive Covid-19 test died in the last 24-hour