CDC数据证实，欧洲旅行禁令来不及阻止纽约爆发

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疾病控制和预防中心的一份报告证实，到特朗普政府颁布禁止从欧洲旅行的规定时，冠状病毒已经从欧洲传播到纽约市。

特朗普政府于3月13日禁止26个欧洲国家进入美国。疾病预防控制中心（CDC）报道，到3月15日，纽约已经广泛传播了冠状病毒。

“虽然旅行限制是一个重要的缓解策略，由欧盟限制被执行的时候，就已经发生（冠状病毒）的进口和社区传播（纽约）”，根据CDC的发病率和死亡率周报，发表于星期五。

纽约卫生和心理卫生部门在3月的前三周从六家医院的患者那里收集了鼻拭子。CDC分析发现，检测到COVID-19呈阳性的样品与欧洲的该疾病匹配株相似。


美国疾病预防控制中心（CDC）报告还指出，选择这些医院中的五家是因为他们位于讲中文的比例很高的地区，以确定他们在纽约看到的毒株是否可能来自首次发现该病毒的中国武汉。

相反，疾病预防控制中心发现，这些医院的样本都没有与武汉毒株匹配的，这是美国政府于2月2日禁止从中国旅行的结果，以防止这一结果。

"The travel ban with China made a difference," Dr. Tom Frieden, the former CDC director and current head of global health initiative Resolve to Save Lives, told the USA TODAY editorial board and reporters in late March.  "It resulted in a significant delay in the number of people coming in with infection and because of that, that bought time in the U.S. to better prepare. And yet, that time wasn't optimally used."

Former CDC director:  China travel ban 'made a difference' but US didn't prepare enough for coronavirus

At the time the samples were taken, Italy had the most coronavirus cases and deaths. A month later, the United States overtook Italy, with New York emerging as the epicenter.

With 3.6 million cases on Friday, according to Johns Hopkins University data, the United States has the world's worst outbreak of coronavirus, and more than 138,700 people have died. That's 1.6 million more cases and 62,000 deaths than the next country on the list, Brazil.

The European Union on Thursday extended its ban on Americans from entering the bloc.

The EU first started lifting international travel restrictions on July 1, welcoming visitors from 14 countries, including Canada,  South Korea and Australia. Americans remain barred from visiting the bloc for at least another two weeks under Thursday's decision, announced by the European Council.

尽管欧盟和其他国家在控制病毒方面取得了明显的进步，但美国仍然有自己的旅行限制。国务院自3月起一直维持其4级旅行咨询，敦促美国人避免因COVID-19而进行的所有国际旅行。