risen again today - to 177.Among the cases confirmed today is the full closure of a second primary school in Greater Manchester.St Luke's Primary in Heywood had already sent home pupils in Years 2, 3 and 6, but now it's been forced to shut to all year groups amid 'staffing issues'.While some schools continue to send home entire year groups, others have more recently been restricting self-isolations to close contacts of confirmed cases - using seating plans to help identify those individuals they