A sixth positive Covid-19 case has been confirmed by NHS Forth Valley as being linked to an ongoing cluster.The latest confirmed case is a household contact of one of the original five cases, which were first reported on Tuesday.The initial statement from health board officials revealed Test and Protect staff had already identified a list of close contacts related to the cluster.Contact tracing also identified five premises across the region with links to those who had tested positive - although the risk to the general public for anyone who has visited these businesses was said to be “extremely low”.Three of the affected venues were in Dunblane - Tesco, the Village Inn and GS Meldrum newsagents - as well as Bridge of Allan Sports Club and.