second wave of infections.Confirmation that the length of time is to increase came in a joint statement from the UK’s four Chief Medical Officers.Professor Jonathan Van-Tam, England’s deputy chief medical officer, told reporters the change was being made due to the “low but real possibility of infectiousness” between seven and ten days after the onset of the illness.Get all the top Scottish politics news sent straight to your Inbox by signing up to our Politics newsletter.We cover Holyrood,