每经记者｜赵李南 每经编辑｜文多 4月6日，钟南山在厦门大学100周年校庆活动上作了主题为《新冠防控策略与疫苗研发》的讲座。他呼吁，应当坚决接种疫苗。 钟南山表示，目前我国新冠疫苗接种比例只有百分之九点几。他认为，接种疫苗是应对接下来的经济开放的必然要求。 此外，钟南山认为，病毒的变异也给接下来的防疫工作带来了挑战，一方面毒株的变异会导致疫苗失效，另外一方面，病毒变异也影响抗体治疗的效果。 呼吁坚决接种疫苗 "中国是多少呢？只有百分之九点多（接种疫苗比例）。太低了，为什么这么低呢？两个原因，一是很多中国人觉得有什么必要接种疫苗？觉得很安全，根 本没有必要；另外一个担心有副作用。但实际上，假如大家想象一下，所有国家都接种了疫苗，你将来再开放的话，中国绝大部分人是无免疫状态，那这时 候很容易传进来，中国（将）会又暴发，那不得了。所以我们在接种疫苗这方面应该非常坚决。"钟南山表示。 病毒的变异带来挑战 "到现在为止，没有人知道这几个疫苗能够持续有效多长时间，都是未知数。"钟南山说道，给疫苗有效时间带来不确定的最大因素，就是病毒正在发生变 异。 钟南山讲座PPT（1） 图片来源：每经记者 赵李南 摄 钟南山讲座PPT ...

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