vaccination programme and targeted action in high-risk areas in level 4 restrictions.Speaking at Holyrood today, Freeman said: "Testing is undeniably important but it is just one layer of protection - many layers are needed to fight this virus."Our increased capability to test more people, more often, is potentially powerful as we navigate our way through the coming months as safely as we can alongside our nationwide vaccination programme."Freeman said six mobile testing units and 20,000 home kits will be sent from next week to Glasgow, Renfrewshire, East and South Ayrshire, and Clackmannanshire.It is part of a wider attempt to "break chains of transmission" in level 4 areas where infection rates are alarmingly high.She named the five.