by Dave CLARK Agence France Presse BRUSSELS, Belgium (AFP) — The European Commission will tighten its export guidelines on Wednesday to prevent what it sees as an unfair one-way flow of vaccines, according to a draft seen by AFP. Brussels has been infuriated that Britain has laid claim to vaccines produced at a plant in the Netherlands by AstraZeneca, while the UK-based firm falls short on deliveries promised to the EU. While negotiations with […]