World Health Organization (WHO) published this video item, entitled “COVID-19疫苗:我们需要知道什么?” – below is their description.
随着COVID-19疫苗在世界各地推广 ,许多人在问预期会出现什么情况——尤其是,这些疫苗安全吗?答案是肯定的。但这里还有一些你可能觉得有用的信息。
World Health Organization (WHO) YouTube Channel
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