By Reuters Staff 3 Min Read BRUSSELS (Reuters) - Most European Union member states on Thursday agreed to share part of their upcoming vaccine deliveries with the five EU countries they said need them most. FILE PHOTO: Vials with Pfizer-BioNTech, AstraZeneca, and Moderna coronavirus disease (COVID-19) vaccine labels are seen in front of a European Union (EU) flag in this illustration picture taken March 19, 2021. REUTERS/Dado Ruvic/Illustration/File Photo The EU’s vaccine doses are usually distributed between the bloc’s 27 countries based on population size. After days of negotiations, EU ambassadors on Thursday agreed to change that system for 10 million BioNTech-Pfizer doses due to be delivered in the second quarter, so needier countries received more.