From July 1, 2025, due to the spread of avian influenza, passengers departing from Ho Chi Minh City (SGN) and Phu Quoc (PQC) will be classified as key quarantine targets upon entering South Korea. 👉 Mandatory requirements: Before entering South Korea, passengers must complete one of the following two: ✅ Pre-registration of Q-code online: 🔗 https://qcode.kdca.go.kr/qco/index.do or ✅ Fill out the health status questionnaire at the airport ❌ If not completed in advance at the Vietnamese airport, it must be filled out in the quarantine area upon arrival at Incheon or Busan airport (QR code scan or paper form), which may delay the entry process. 👉 Note: This regulation applies to all passengers departing from SGN and PQC, regardless of nationality.