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世卫组织总干事谭德塞在8月24日的记者会上表示，世卫组织发起“新冠疫苗全球获得机制”，目标是在2021年年底前提供约20亿剂新冠疫苗。目前这一机制下有9种疫苗，世卫组织也在对其他候选疫苗进行评估。 World Health Organization (WHO) Director-General Tedros Adhanom Ghebreyesus attends a news conference amid the COVID-19 outbreak at the WHO headquarters in Geneva Switzerland on July 3, 2020. [Photo/Agencies] The World Health Organization said on Monday it hopes to deliver by the end of next year at least 2 billion doses of safe, effective vaccines through its vaccine initiative. 世界卫生组织周一As of Monday, 172 countries were engaging with the initiative, which is known as the COVAX Global Vaccines Facility. 截至周一，已有172个国家参与了这项被称为“新冠疫苗全球获得机制”At present, nine potential vaccines are part of the dynamic portfolio, which is constantly being reviewed and optimized to ensure access to the best possible range of products. 目前，这一机制下有九种候选疫苗，并可能在将来进行调整。世卫组织正对其不断审查和优化，以确保获得最佳的疫苗产品。 WHO Director-General Tedros Adhanom Ghebreyesus said discussions are ongoing with four additional producers, and a further nine vaccines are currently under evaluation for the longer term. | 
