WHO在免疫接种专家策略顾问团(SAGE)的工作和选项合作决定，在疫苗接种目标组应该首先开始。
WHO is working with the Strategic Advisory group of Experts (SAGE) on Immunization and partners on the options for deciding in which target groups vaccination should begin first.
WHO在免疫接种专家策略顾问团(SAGE)的工作和选项合作决定，在疫苗接种目标组应该首先开始。
WHO is working with the Strategic Advisory group of Experts (SAGE) on Immunization and partners on the options for deciding in which target groups vaccination should begin first.
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