二次感染新冠会更严重吗？哪些人更容易重复感染？( 三 ) _健康小知识

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图源：参考资料8
当然，如果担心重复感染，最好的预防方法依然是接种疫苗，并及时接种加强针。加强针不仅可以提高抗体水平，减少被感染的可能性，而且会拓宽免疫保护的范围，对以后可能出现的突变株也有保护作用。（策划：z_popeye｜监制：gyouza）
致谢：本文经遗传学博士、药企研发科学家周叶斌专业审核
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