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[寻人寻物] CDC confirms that coronavirus already spreading in New York City when European travel ban went into effect in March

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发表于 2020-9-21 05:37:17 | 显示全部楼层 |阅读模式

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[size=17.992px]A U.S. ban on travelers arriving from the EU on March 13 came too late to prevent widespread community transmission in New York City, according to a report Thursday from the federal Centers for Disease Control and Prevention. CDC researchers analyzed the genetic code of virus samples collected from three dozen infected New Yorkers in early March, and found that most of those early cases of the coronavirus could be traced back to Europe. It also confirms what many researchers have already said: That widespread community transmission was well under way in New York City by the time mitigation measures, such as the travel ban, school closures and stay-at-home orders went into effect.
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