Here are the latest developments:
The moves to tighten borders came as the European Union stepped up efforts to secure vaccine supplies amid a growing shortage, threatening drugmakers the E.U. says have hampered a major rollout with production and other logistical delays.
The bloc’s executive branch on Friday published its contract with British-Swedish pharmaceutical firm AstraZeneca, following a heated dispute over the company’s announcement last week that it would deliver “considerably fewer” doses to E.U. member nations than agreed upon.
Although some parts of the contract were redacted at AstraZeneca’s request, the European Commission argues that the document makes clear that the company is obligated to use its British plants…