Sign up to the M.E.N.'s Manchester Family newsletter for all the latest from school closures to ways to entertain the kidsPlans for daily Covid tests in schools have been halted amid concerns over the new variant.The idea was that pupils who were identified as close contacts of a positive case would be tested daily for seven days, as an alternative to them having to self-isolate.Unveiled as a 'milestone moment' when it was unveiled by ministers, it was billed as a critical move in fighting the