微风摇曳

已订12月去美国的机票，有朋友知道去美国要做核酸检测吗？多少小时之内的？在哪里做？ 费用是多少？（核酸检测的英文是什么？）
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news1

Air travellers will need to show proof of vaccination on arrival to the U.S., but will still need to show a pre-departure negative COVID-19 test taken within three days of travel prior to boarding their flight. The same policy applies for air travellers coming to Canada from the U.S.

这是今天的CBC新闻: https://www.cbc.ca/news/politics ... ovember-8-1.6212093
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其它的问题自己Google一下。