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https://www.nytimes.com/article/coronavirus-travel-restrictions.html
South Korea
Effective April 1, all travelers entering South Korea must undergo[(특히 변화, 안 좋은 일 등을) 겪다[받다]] a 14-day quarantine [쿼런틴 (전염병 확산을 막기 위한 동물,사람의) 격리].
Travelers who are “long-term or residential” may self-quarantine at their own residences, and “most foreign travelers on short-term travel” will quarantine at a government-designated facility at their own expense for 14 days.
Additionally, South Korea has restricted the entry of travelers with passports from China’s Hubei Province as well as anyone who has visited that region in the previous 14 days. Korean visas that were issued to travelers in Hubei are canceled.