Korea Immigration information
https://www.airport.kr/ap_cnt/en/svc/covid19/quaranti/quarantine.do
Incheon Airport Quarantine transportaion info
Mandatory quarantine instructions for all incoming travelers to Republic of Korea
Korea immigration dept news info (EN)
The vaccine pass registration
http://ncov.mohw.go.kr/en/tcmBoardView.do?brdId=12&brdGubun=125&dataGubun=&ncvContSeq=6180&contSeq=6180&board_id=&gubun=
Korea covid19 current situation
http://ncov.mohw.go.kr/en
South Korea traveling advice under Covid19 pandemic
https://www.gov.uk/foreign-travel-advice/south-korea/coronavirus