Get the stories that matter to you sent straight to your inbox with our daily newsletter.A cluster of Covid-19 cases is being investigated by NHS Forth Valley - with five positive cases already reported in the region.Test and Protect staff has already identified a list of close contacts which have been linked to the individuals involved in the cluster, with those contacts already self-isolating.In addition, contact tracing has also identified five businesses with links to those who have tested positive, with NHS and Stirling Council teams already working with these premises to provide advice and support.Three of the linked sites are in Dunblane - Tesco, the Village Inn, GS Meldrum Newsagents - while the McDonald's branch in Stirling's Drip.