https://blog.wongcw.com/2021/11/29/%e6%97%a5%e6%9c%ac%e3%80%8c%e5%b0%81%e5%9c%8b%e3%80%8d%e5%be%8c%ef%bc%8c%e9%9f%93%e5%9c%8b%e6%96%b0%e5%86%a0%e7%96%ab%e6%83%85%e9%a2%a8%e9%9a%aa%e4%b8%8a%e5%8d%87%e8%87%b3%e6%9c%80%e9%ab%98%e7%b4%9a/
日本「封國」後,韓國新冠疫情風險上升至最高級別