direct to your inboxThe European Union has threatened to impose tight controls on the export of coronavirus vaccines - potentially impacting the UK’s supply of Pfizer jabs.The Government said it was in 'close contact' with suppliers after the European Commission issued the warning amid a row with pharmaceutical company AstraZeneca.Last week, AstraZeneca, which worked with Oxford University on the vaccine’s development, told the EU it was falling behind on its supply target for member states