Germany's already-slow vaccine roll-out hit by supply issues after AstraZeneca said it was cutting deliveries That prompted politicians to brief newspapers that the jab barely worked, before the claims were rubbished EU and UK are now in a jab tug-of-war, with Germany threatening to block exports so it can get a 'fair share' Meanwhile anger is growing across the continent with slow pace of rollout, even as lockdowns are tightened