Brussels sparked fury this week after demanding AstraZeneca doses be sent from British plants to make up for supply shortages in the bloc's 27 nations. The EU and AstraZeneca have now published their contract, which has resulted in the bloc claiming it is evidence they must be sent vaccines from UK factories. In a section on manufacturing sites, the contract said: "AstraZeneca shall use its Best Reasonable Efforts to manufacture the vaccine at manufacturing sites located within the EU (which for the purpose of this Section 5.4 only shall include the United Kingdom)". When the contract was signed, the UK had left the EU but still had to follow EU rules due to a transition period which ended at the start of this year.