建议采取以下措施:加强冷链管理,保证疫苗质量,优化接种现场环境;
Some strategies recommend as follows, At first, it is important to strengthen cold chain to management, to guarantee vaccine quality, and to improve the inoculation environment.
这种方法简便快速,在BCG疫苗及其他活菌疫苗质量控制方面具有广泛的应用前景。
With the characters of easy operation and fast responses, this method can be applied widely in routine quality control to estimate viable count of BCG and other vaccines.
世卫组织在该领域的工作包括制定标准、加强免疫系统、管理疫苗质量和供应、资助以及研究与开发。
WHO's work in this area includes setting standards, strengthening immunization system, regulating vaccine quality and supply, finance, and research and development.
This led people to go back and look at the places that were manufacturing the vaccine to make sure that they were all producing vaccine of the proper quality.
这现象让人们回溯并且审视,制作疫苗的地方,以确认他们生产的疫苗,质量都合格
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