12月26日，中国进一步优化出入境管控措施。然而，美国、英国、法国、韩国等许多国家却只对来自中国的游客实施了限制。这些限制措施能阻止病毒传播吗? 让我们在本期《真相放大镜》一探究竟。On December 26, China further optimized its inbound and outbound measures for managing COVID-19. However the U.S., the UK, France, South Korea and many other countries have imposed restrictions on travelers from China only. Can these restrictions stop virus from spreading? Let’s find out in this episode of Facts Tell.推荐阅读： 真相放大镜 | 美军在叙利亚频繁“偷油”备受争议，究竟图什么？ 真相放大镜 | 美国出台芯片法案意欲何为？ 真相放大镜 | 谁允许日本向太平洋倾倒核污水？