https://blog.wongcw.com/2022/12/29/1%e6%9c%885%e6%97%a5%e8%b5%b7%e7%be%8e%e5%9c%8b%e5%b0%87%e8%a6%81%e6%b1%82%e4%be%86%e8%87%aa%e4%b8%ad%e5%9c%8b%e7%9a%84%e6%97%85%e8%a1%8c%e8%80%85%e6%8f%90%e4%be%9bcovid-19%e9%99%b0%e6%80%a7%e6%aa%a2/
1月5日起美國將要求來自中國的旅行者提供COVID-19陰性檢測報告