The promises come as Labour's health policy is under sustained pre-election criticism. In a further blow to the Government's record it emerged today that ministers had ignored a warning that emergency legislation was needed to tackle the MRSA superbug. In a Health Department memo leaked to the Daily Telegraph, Sir Liam Donaldson, the Chief Medical Officer, said there needed to be a deterrent to prevent hospitals "killing and harming" patients with MRSA and other infections.