The Publisher regrets that this article is an accidental duplication of an article that has already been published, https://doi.org/10.1016/j.jaad.2020.09.005. The duplicate article has therefore been withdrawn. The full Elsevier Policy on Article Withdrawal can be found at https://www.elsevier.com/about/our-business/policies/article-withdrawal.

中文翻译：

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撤回：新冠病毒和生物制品。


出版商很遗憾这篇文章是已发表文章的意外重复，https://doi.org/10.1016/j.jaad.2020.09.005。因此，重复的文章已被撤回。完整的爱思唯尔文章撤回政策可在 https://www.elsevier.com/about/our-business/policies/article-withdrawal 上找到。