还是要读原汁原味的科学文章，翻译的都经常出错:
People who recover from COVID-19 sometimes later test positive for SARS-CoV-2, suggesting their immune systems could not ward off a second attack by the coronavirus or that they have a lingering infection. A study now hints at a different explanation in which the virus hides in an unexpected place. The work, only reported in a preprint, suggests the pandemic pathogen takes a page from HIV and other retroviruses and integrates its genetic code—but, importantly, just parts of it—into people’s chromosomes. The phenomenon, if true and frequent, could have profound implications that range from false signals of active infection to misleading results from COVID-19 treatment studies.
The current study only showed this integration in a lab dish, although it also cites published sequence data from humans infected with SARS-CoV-2 that suggest it has happened. The authors emphasize that their results don’t imply that SARS-CoV-2 establishes permanent genetic residence in human cells to keep pumping out new copies, as HIV does.
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回复 '笑薇.' 的评论 : 误解多源自媒体半懂不懂的宣传。
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辉瑞疫苗自己的确把“injection site pain”算作副作用的。问题是人们在讨论副作用时并不首先做具体的定义，而是根据各自的立场去发挥，所以争论不可开交，如同鸡同鸭讲。任何注射的疫苗，注射局部疼痛是一定的，从这个意义上来说该疫苗100%有副作用，但如果该疫苗其它类型的比较严重一点的副作用发生率很低，它仍然很好。要看严重的、一旦发生就需要医疗处理的副作用发生的概率。
