1. Individuals who recovered from COVID-19 infection and inoculated with one single dose of COVID-19 vaccine.
2. Individuals who are fully vaccinated overseas and have their vaccination records registered in Singapore's National Immunisation Registry (NIR).
3. Individuals who are fully vaccinated in Singapore and have recovered from COVID-19 infection*.
*Individual may still test positive even though he/she has recovered.
https://overseas.mofa.go.kr/sg-en/brd/m_...seq=761362